The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to (A) The distance between the zero of gradient and the foot of the staff (B) Twice the distance between the zero of graduation and the foot of the staff (C) Thrice the distance between the zero of graduation and the foot of the staff (D) None of the above

The difference of level between a point below the plane of sight and one above, is the sum of two
staff readings and an error would be produced equal to
(A) The distance between the zero of gradient and the foot of the staff
(B) Twice the distance between the zero of graduation and the foot of the staff
(C) Thrice the distance between the zero of graduation and the foot of the staff
(D) None of the above
by

1 Answer

Answer :

(B) Twice the distance between the zero of graduation and the foot of the staff
by

Related questions

A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at and were 1.22 and 1.06. With the level set up at , the readings at and were 1.55 and 1.37. The collimation error per 100 m length of sight is (A) 0.02 m inclined upwards (B) 0.04 m inclined downwards (C) 0.04 m inclined upward (D) None of these

Description : A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff  readings at and were 1.22 and 1.06. With the level set up at , the readings at  and were 1.55 and ... upwards  (B) 0.04 m inclined downwards  (C) 0.04 m inclined upward  (D) None of these

Last Answer : (B) 0.04 m inclined downwards 

Pick up the correct statement from the following: (A) The lines of sight while observing back sight and fore sight lie in the same horizontal plane (B) The staff readings are measurements made vertically downwards from a horizontal plane (C) The horizontal plane with reference to which staff readings are taken, coincides with the level surface through the telescope axis (D) All the above

Description : Pick up the correct statement from the following: (A) The lines of sight while observing back sight and fore sight lie in the same horizontal plane (B) The staff readings are measurements made ... readings are taken, coincides with the level surface through the telescope axis (D) All the above

Last Answer : (D) All the above

A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be (A) 1.435 (B) 1.345 (C) 1.425 (D) None of these

Description : A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A ... this set up at S should be (A) 1.435 (B) 1.345 (C) 1.425 (D) None of these

Last Answer : (B) 1.345

Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs (c) Temporary adjustments of the dumpy level are to be performed at every set up (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Description : Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is ... (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Last Answer : (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs

The apparent error on reversal is (A) Equal to the actual error (B) Twice the actual error (C) Thrice the actual error (D) None of these

Description : The apparent error on reversal is (A) Equal to the actual error (B) Twice the actual error (C) Thrice the actual error (D) None of these

Last Answer : (B) Twice the actual error

Keeping the instrument height as 1½ m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than (A) 25 cm (B) 20 m (C) 45 m (D) 10 m

Description : Keeping the instrument height as 1½ m, length of staff 4 m, the up gradient of the ground 1 in 10,  the sight on the up slope must be less than  (A) 25 cm  (B) 20 m  (C) 45 m  (D) 10 m

Last Answer : (C) 45 m 

During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Description : During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Last Answer : (B) The back staff is at lower point

A back sight (A) Is always taken on a point of known elevation or can be computed (B) Is added to the known level to obtain the instrument height (C) Taken on an inverted staff is treated as negative (D) All the above

Description : A back sight  (A) Is always taken on a point of known elevation or can be computed  (B) Is added to the known level to obtain the instrument height  (C) Taken on an inverted staff is treated as negative  (D) All the above 

Last Answer : (D) All the above 

Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up the instrument in any position (C) The first sight on each change point is a fore sight (D) All the above

Description : Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up ... position (C) The first sight on each change point is a fore sight (D) All the above

Last Answer : (D) All the above

Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is (A) 104.0 m (B) 104.5 m (C) 105.0 m (D) 105.5 m

Description : Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is (A) 104.0 m (B) 104.5 m (C) 105.0 m (D) 105.5 m

Last Answer : (B) 104.5 m

According to principle of moments (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero (B) If a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero (C) The algebraic sum of the moments of any two forces about any point is equal to moment of their resultant about the same point (D) Positive and negative couples can be balanced

Description : According to principle of moments  (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero  (B) If a system of coplanar forces is in equilibrium, then the ... of  their resultant about the same point  (D) Positive and negative couples can be balanced

Last Answer : (C) The algebraic sum of the moments of any two forces about any point is equal to moment of  their resultant about the same point 

State the important points kept in mind while recording the staff readings in level pages with respect first reading, intermediate reading, last reading, change point, carry forward from one page to next page-Remark

Description : State the important points kept in mind while recording the staff readings in level pages with respect first reading, intermediate reading, last reading, change point, carry forward from one page to next page-Remark

Last Answer : 1) First reading is on bench mark point and should be noted in back sight(BS) column 2) Intermediate reading (IS) should be taken on the points between first and last station. 3) Last reading ... column of next page 6) Remark column should have denote First and Last RL along with change points.

Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to (A) Shift (B) Twice the shift (C) Thrice the shift (D) Four times the shift

Description : Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to (A) Shift (B) Twice the shift (C) Thrice the shift (D) Four times the shift

Last Answer : (D) Four times the shift

A flaky aggregate is said to be elongated if its length is (A) Equal to the mean size (B) Twice the mean size (C) Thrice the mean size (D) Four times the mean size

Description : A flaky aggregate is said to be elongated if its length is (A) Equal to the mean size (B) Twice the mean size (C) Thrice the mean size (D) Four times the mean size

Last Answer : Answer: Option B

For night travel, the length of a valley curve should be such that the head light beam distance is the same as (A) Stopping sight distance (B) Overtaking sight distance (C) Sum of (a) and (b) (D) Difference of (a) and (b)

Description : For night travel, the length of a valley curve should be such that the head light beam distance is the same as (A) Stopping sight distance (B) Overtaking sight distance (C) Sum of (a) and (b) (D) Difference of (a) and (b)

Last Answer : Answer: Option A

A sewer is laid from a manhole to a manhole , 250 m away along a gradient of 1 in 125. If the reduced level of the invert at is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at , is (A) 208.75 m (B) 202.75 m (C) 206.75 m (D) 211.75 m

Description : A sewer is laid from a manhole to a manhole , 250 m away along a gradient of 1 in 125. If the  reduced level of the invert at is 205.75 m and the height of the boning rod is 3 m, the reduced  level of the sight rail at , is  (A) 208.75 m  (B) 202.75 m  (C) 206.75 m  (D) 211.75 m

Last Answer : (C) 206.75 m 

The radius of a bar bend to form a hook, should not be less than (A) Twice the diameter (B) Thrice the diameter (C) Four times the diameter (D) Five times the diameter

Description : The radius of a bar bend to form a hook, should not be less than (A) Twice the diameter (B) Thrice the diameter (C) Four times the diameter (D) Five times the diameter

Last Answer : Answer: Option A

The length of the straight portion of a bar beyond the end of the hook, should be at least (A) Twice the diameter (B) Thrice the diameter (C) Four times the diameter (D) Seven times the diameter

Description : The length of the straight portion of a bar beyond the end of the hook, should be at least (A) Twice the diameter (B) Thrice the diameter (C) Four times the diameter (D) Seven times the diameter

Last Answer : Answer: Option D

The discharge through a channel of rectangular section will be maximum, if (A) Its depth is twice the breadth (B) Its breadth is twice the depth (C) Its depth is thrice the breadth (D) Its breadth is thrice the depth

Description : The discharge through a channel of rectangular section will be maximum, if (A) Its depth is twice the breadth (B) Its breadth is twice the depth (C) Its depth is thrice the breadth (D) Its breadth is thrice the depth

Last Answer : Answer: Option B

CMOS circuits consume power (A) Equal to TTL (B) Less than TTL (C) Twice of TTL (D) Thrice of TTL

Description : CMOS circuits consume power (A) Equal to TTL (B) Less than TTL (C) Twice of TTL (D) Thrice of TTL

Last Answer : Ans: B As in CMOS one device is ON & one is Always OFF so power consumption is low.

Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

Description : Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

Last Answer : (C) Many readings are to be taken from a single setting of the instrument

A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to (A) Cumulative, + 0.11 m (B) Compensating, ± 0.11 m (C) Cumulative, - 0.11 m (D) None of these

Description : A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to (A) Cumulative, + 0.11 m (B) Compensating, ± 0.11 m (C) Cumulative, - 0.11 m (D) None of these

Last Answer : (A) Cumulative, + 0.11 m

Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than (A) 30 m (B) 25 m (C) 20 m (D) 15 m

Description : Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the  sight on the down-slope, must be less than  (A) 30 m  (B) 25 m  (C) 20 m  (D) 15 m 

Last Answer : (B) 25 m 

The intercept of a staff (A) Is maximum if the staff is held truly normal to the line of sight (B) Is minimum if the staff is held truly normal to the line of sight (C) Decreases if the staff is tilted away from normal (D) Increases if the staff is tilted towards normal

Description : The intercept of a staff (A) Is maximum if the staff is held truly normal to the line of sight (B) Is minimum if the staff is held truly normal to the line of sight (C) Decreases if the staff is tilted away from normal (D) Increases if the staff is tilted towards normal

Last Answer : (B) Is minimum if the staff is held truly normal to the line of sight

Write the following sentence in symbolic form. Sum of cubes of p and q is equal to thrice the product of r and s.

Description : Write the following sentence in symbolic form. Sum of cubes of p and q is equal to thrice the product of r and s.

Last Answer : Write the following sentence in symbolic form. Sum of cubes of p and q is equal to thrice the product of r and s. A. ... D. `p^(2)+q^(2)=3r^(3)s^(3)`

A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is (A) 0.015 m (B) 0.030 m (C) 0.045 m (D) 0.060 m

Description : A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m ... collimation error per 100 m is (A) 0.015 m (B) 0.030 m (C) 0.045 m (D) 0.060 m

Last Answer : (D) 0.060 m

Ram, Suresh and Shilpa, working together, can do a piece of work in 1 day. Ram is thrice as efficient as Suresh, and Suresh takes twice the number of days as Shilpa takes to do it alone. What is the difference between the number of days taken by Ram and Shilpa, each working alone, to complete the work? a) 1 b) 2 c) 3 d) 4 e) 5

Description : Ram, Suresh and Shilpa, working together, can do a piece of work in 1 day. Ram is thrice as efficient as Suresh, and Suresh takes twice the number of days as Shilpa takes to do it alone. What is the difference between ... and Shilpa, each working alone, to complete the work? a) 1 b) 2 c) 3 d) 4 e) 5

Last Answer : Let the time taken by Ram, Suresh and Shilpa to finish the work alone be A, B and C respectively Therefore, 1/A + 1/B + 1/C = 1 Also it is given that, A = B/3 and C =B/2 3/B + 1/B + ... between the number of days taken by Ram and Shilpa, each working alone, to complete the work = 3-2 = 1 Answer: a)

Cross-staff is used for (A) Setting out right angles (B) Measuring contour gradient (C) Taking levels (D) Measuring distances

Description : Cross-staff is used for  (A) Setting out right angles  (B) Measuring contour gradient  (C) Taking levels  (D) Measuring distances 

Last Answer : (A) Setting out right angles 

Pick up the correct statement from the following: (A) Box sextant is used for the measurement of horizontal angles (B) Cross staff is used for setting out right angles (C) Gradiometer is used for setting out any required gradient (D) All the above

Description : Pick up the correct statement from the following: (A) Box sextant is used for the measurement of horizontal angles (B) Cross staff is used for setting out right angles (C) Gradiometer is used for setting out any required gradient (D) All the above

Last Answer : (D) All the above

The algebraic sum of moments of the forces forming couple about any point in their plane is (A) Equal to the moment of the couple (B) Constant (C) Both of above are correct (D) Both of above are wrong

Description : The algebraic sum of moments of the forces forming couple about any point in their plane is  (A) Equal to the moment of the couple  (B) Constant  (C) Both of above are correct  (D) Both of above are wrong 

Last Answer : (A) Equal to the moment of the couple 

The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is A. 1 in 100 upward B. 1 in 500 upward C. 1 in 100 downward D. 1 in 503 upward

Description : The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is A. 1 in 100 upward B. 1 in 500 upward C. 1 in 100 downward D. 1 in 503 upward

Last Answer : ANS: C

Pick up the correct statement from the following: (A) The apparent error on reversal is twice the actual error (B) The correction may be made equal to half the observed discrepancy (C) The good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results (D) All the above

Description : Pick up the correct statement from the following: (A) The apparent error on reversal is twice the actual error (B) The correction may be made equal to half the observed discrepancy (C) The ... a defective instrument by reversing and taking the mean of two erroneous results (D) All the above

Last Answer : (D) All the above

A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Description : A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Last Answer : (C) Sum of resolved parts in any two perpendicular directions are both zero

The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is (A) 3.290 m (B) 3.300 m (C) 3.275 m (D) 2.790 m

Description : The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is (A) 3.290 m (B) 3.300 m (C) 3.275 m (D) 2.790 m

Last Answer : (B) 3.300 m

The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is (A) 28.8 sec (B) 41.25 sec (C) 14.52 sec (D) 25.05

Description : The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is (A) 28.8 sec (B) 41.25 sec (C) 14.52 sec (D) 25.05

Last Answer : (B) 41.25 sec

In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, smaller will be the hydraulic gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Description : In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, ... gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Last Answer : Option A

Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (C) Gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (D) None of these

Description : Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the ... specified amount at the junction of the transition curve with main curve (D) None of these

Last Answer : (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

Twice the number of marbles with Aman exceeds thrice the number of marbles with Vinay by 12. Assume the number of marbles with Aman and Vinay as x and y respectively .Express the statement in the form of a linear equation in two variables. -Maths 9th

Description : Twice the number of marbles with Aman exceeds thrice the number of marbles with Vinay by 12. Assume the number of marbles with Aman and Vinay as x and y respectively .Express the statement in the form of a linear equation in two variables. -Maths 9th

Last Answer : answer:

The Constitution of India lays down that the two Houses of Parliament must be summoned at least – (1) four times a year (2) thrice a year (3) twice a year (4) once a year

Description : The Constitution of India lays down that the two Houses of Parliament must be summoned at least – (1) four times a year (2) thrice a year (3) twice a year (4) once a year

Last Answer : (3) twice a year Explanation: The period during which the House meets to conduct its business is called a session. The Constitution empowers the President to summon each House at such intervals that there ... month's gap between the two sessions. Hence the Parliament must meet at least twice a year.

Ninety coins are to be distributed among P,Q and R such that P gets twice as many coins as Q gets and Q gets thrice as many coins as R gets. Find the

Description : Ninety coins are to be distributed among P,Q and R such that P gets twice as many coins as Q gets and Q gets thrice as many coins as R gets. Find the

Last Answer : Ninety coins are to be distributed among P,Q and R such that P gets twice as many coins as Q gets and Q gets thrice ... R gets. A. 6 B. 3 C. 10 D. 9

How many times was the term of the Lok Sabha extended upto 6 years? (1) Once (2) Twice (3) Thrice (4) Never

Description : How many times was the term of the Lok Sabha extended upto 6 years? (1) Once (2) Twice (3) Thrice (4) Never

Last Answer : (1) Once Explanation: The first sitting of the Fifth Lok Sabha was held on 19 March, 1971. The term of the Fifth Lok Sabha, which was to expire on 18 March, 1976, was extended by one ... term of the Lok Sabha was restored to rivet years under the Constitution (Forty fourth Amendment) Act, 1978.

In India, how many times has the President declared Financial Emergency? (1) Once (2) Never (3) Thrice (4) Twice

Description : In India, how many times has the President declared Financial Emergency? (1) Once (2) Never (3) Thrice (4) Twice

Last Answer : (2) Never Explanation: No Financial Emergency has been declared so far, though there was a financial crisis in 1991. Article 360 empowers the president to proclaim a Financial Emergency if he is ... to which the financial stability or credit of India or any part of its territory is threatened.

It is customary to design a sewer for D.W.F. on the basis of A. Average demand B. Twice the average demand C. Thrice the average demand D. Four times the average demand

Description : It is customary to design a sewer for D.W.F. on the basis of A. Average demand B. Twice the average demand C. Thrice the average demand D. Four times the average demand

Last Answer : ANS: C

ECE Board Exam March 1996 According to the Nyquist theorem, the sampling rate that can be used in a PCM system is ________ the highest audio frequency. A. once B. eight times C. twice D. thrice

Description : ECE Board Exam March 1996 According to the Nyquist theorem, the sampling rate that can be used in a PCM system is ________ the highest audio frequency. A. once B. eight times C. twice D. thrice

Last Answer : C. twice

If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is A. thrice the Earth's magnetic flux density B. four times the Earth's magnetic flux density C. five times the Earth's magnetic flux density D. twice the Earth's magnetic flux density

Description : If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is A. thrice the Earth's magnetic flux density B. four times the Earth ... C. five times the Earth's magnetic flux density D. twice the Earth's magnetic flux density

Last Answer : twice the Earth's magnetic flux density

In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. (A) Once (B) Twice (C) Thrice (D) Four times

Description : In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. (A) Once (B) Twice (C) Thrice (D) Four times

Last Answer : (B) Twice

The minimum bandwidth of Manchester and differential Manchester is ____that of NRZ. A) the sameas B) twice C) thrice D) none of the above

Description : The minimum bandwidth of Manchester and differential Manchester is ____that of NRZ. A) the sameas B) twice C) thrice D) none of the above

Last Answer : twice

Programmable ROM (PROM), it is basically a blank ROM chip that can be written to, but only__: a) Twice b) Once c) Thrice d) None of These

Description : Programmable ROM (PROM), it is basically a blank ROM chip that can be written to, but only__: a) Twice b) Once c) Thrice d) None of These

Last Answer : b) Once

In MS-Word, a word gets selected by clicking the word: a) Once b) Twice c) Thrice d) None of These

Description : In MS-Word, a word gets selected by clicking the word: a) Once b) Twice c) Thrice d) None of These

Last Answer : b) Twice