Description : At what value of crank angle (roughly), no flow of water from or into the air vessel takes place in case of a double acting reciprocating pump? (A) 40° and 140° (B) 45° and 60° (C) 90° and 80° (D) 20° and 120°
Last Answer : (A) 40° and 140
Description : Bence-Jones protein precipitates at (A) 20°–40° C (B) 40–-60° C (C) 60°–80° C (D) 80°–100° C
Last Answer : B
Description : The temperature at which both the Fahrenheit and Centigrade scales have the same value is – (1) -60° (2) -40° (3) -20° (4) 0°
Last Answer : (2) -40° Explanation: The temperature when both the Celsius and Fahrenheit scales are the same is -40 degrees.
Description : The angle between two plane mirrors of optical square, is (A) 20° (B) 30° (C) 45° (D) 60°
Last Answer : (C) 45°
Description : A well conditioned triangle has no angle less than (A) 20° (B) 30° (C) 45° (D) 60°
Last Answer : (B) 30°
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
Description : The optimum cavosurface angle for occlusal amalgam surface is: A. 45-60° B. 70-85° C. 45-80° D. 95-110° E. 130-150°
Last Answer : D. 95-110°
Description : If whole circle bearing of a line is 120°, its reduced bearing is (A) S 20° E (B) S 60° E (C) N 120° E (D) N 60° E
Last Answer : (B) S 60° E
Description : In any good staircase, the maximum and minimum pitch respectively should be (A) 90° and 0° (B) 75° and 30° (C) 60° and 10° (D) 40° and 25°
Last Answer : Option D
Description : A projectile is fired at an angle to the vertical. Its horizontal range will be maximum when is (A) 0° (B) 30° (C) 45° (D) 60°
Description : The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to (A) 30° (B) 45° (C) 60° (D) 90
Last Answer : (B) 45°
Description : The angle between skew back of a flat arch and the horizontal, is kept approximately equal to (A) 0° (B) 30° (C) 60° (D) 90
Last Answer : Answer: Option C
Description : Which one of the following is called as "Roaring Forty"? (1) Winds blowing in southern hemisphere between 40°-60° S (2) Winds blowing in northern hemisphere between 40°-60° N (3) Very cold winds which blow in winters (4) Very hot and fast blowing summer winds
Last Answer : (1) Winds blowing in southern hemisphere between 40°-60° S Explanation: The Roaring Forties is the name given to strong westerly winds found in the Southern Hemisphere, generally between the latitudes of ... South Pole and the Earth's rotation, and there are few landmasses to serve as windbreaks.
Description : A radio signal moves from air to glass. The angle of incidence is 20°. Calculate the angle of refraction. The relative permittivity of the glass is 7.8. A. 7.8° B. 5.04° C. 6.04° D. 7.04°
Last Answer : D. 7.04°
Description : For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD ... reactions at A and B is (A) 30° (B) 45° (C) 60° (D) 90
Last Answer : (D) 90
Description : The bearing of AB is 190° and that of CB is 260° 30'. The included angle ABC, is (A) 80° 30' (B) 99° 30' (C) 70° 30' (D) None of these
Last Answer : (C) 70° 30'
Description : For orientation of a plane table with three points A, B and C, Bessel's drill is (A) Align B through A and draw a ray towards C, align A through B and draw A ray towards C, finally ... the third point, which is sighted through the point of intersection of previously drawn rays in the final step.
Last Answer : (D) In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.
Description : The angle in which a cricket ball should be hit to travel maximum horizontal distance is : (1) 60° with horizontal (2) 45° with horizontal (3) 30° with horizontal (4) 15° with horizontal
Last Answer : (2) 45° with horizontal Explanation: This has to do with the equation of a parabola or trajectory which is z = (tane)x 2 cos 9) 2. We can see that if the ball is fired at a 45 degree angle from the ground, the horizontal distance will be a maximum.
Last Answer : 45° with horizontal
Description : The angle of minimum deviation of an equiangular prism, having a refractive index of 1.732 is (a) 60° (b) 30° (c) 45° (d) 0°
Last Answer : Ans:(a)
Description : If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is (A) 10° (B) 15° (C) 20° (D) 30°
Last Answer : Answer: Option D
Description : The angle of internal friction of clays, is usually (A) 0° to 5° (B) 5° to 20° (C) 20° to 30° (D) 30° to 45
Last Answer : Answer: Option B
Description : The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is (A) 30° (B) 40° (C) 45° (D) All the above
Description : In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be (A) 10° (B) 15° (C) 20° (D) 30°
Last Answer : If the current in a capacitor leads the voltage by 80°, the loss angle of the capacitor is 10°.
Description : The area of any irregular figure of the plotted map is measured with (A) Pentagraph (B) Sextant (C) Clinometer (D) Planimeter
Last Answer : (D) Planimeter
Description : The angle of intersection of a contour and a ridge line, is (A) 30° (B) 45° (C) 60° (D) 90°
Last Answer : (D) 90°
Description : If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is (A) 30° (B) 60° (C) 90° (D) 120°
Last Answer : D
Description : ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is (A) 90° (B) 120° (C) 210° (D) 270°
Last Answer : (C) 210°
Description : A lemniscate curve will not be transitional throughout, if its deflection angle, is (A) 45° (B) 60° (C) 90° (D) 120°
Last Answer : (A) 45°
Description : The type of high refractive index glass used in optical instruments is __________ glass. (A) Pyrex (B) Flint (C) Crookes (D) None of these
Last Answer : (B) Flint
Description : The angle of elevation of the antenna beam is 20°. Calculate the transmission-path distance for an ionospheric transmission that utilizes a layer of virtual height 200 km. Use flat-earth approximation. A. 966 km B. 2100 km C. 1100 km D. 405 km
Last Answer : C. 1100 km
Description : What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? (A) 16° (B) 32° (C) 40° (D) 46°
Last Answer : (B) 32°
Description : The helix angle in case of closely coiled helical spring is (A) less than 10° (B) 10° to 15° (C) 15° to 20° (D) more than 20°
Last Answer : (A) less than 10°
Description : Tilt angle of a disc plough is generally— (A) 10° (B) 15° (C) 20° (D) 45°
Last Answer : (D) 45°
Description : The tilt angle varies form…° to….. °. For a good plough a. 20°,30°. c) 15°,30° b. 10°,30°. d) 15°,25°
Last Answer : 15°,25°
Description : Pick up the correct statement from the following: (A) The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass (B) The ... lines through places at which the declination is zero are termedagonic lines (D) All the above
Description : Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from (A) 80° to 90°C (B) 90° to 95°C (C) 103° to 105°C (D) 105° to 110°C
Last Answer : (D) 105° to 110°C
Description : Customers prefer parking of their vehicles at (A) 90° to aisles (B) 85° to aisles (C) 80° to aisles (D) 75° to aisles
Description : The whole circle bearing of a line is 290°. Its reduced bearing is (A) N 20° E (B) N 20° W (C) N 70° W (D) S 70° E
Last Answer : (C) N 70° W
Description : The density of water is 1000 kg/m3 at (A) 0° C (B) 0° K (C) 4° C (D) 20° C
Description : What is sextant ?
Last Answer : The instrument used to measure the progress of the sun is called sextant.
Last Answer : of the sun Angular Distance Diagnostic Instrument.
Description : Sextant is an instrument used in which of the following ? (1) Gynaecology (2) Navigation (3) Birth control (4) Medical treatment
Last Answer : Navigation
Description : The two sides of a tringle are increasing at the rate of 1/2 ft/sec with their included angle decreasing at the rate of π/90 rad/sec. What is the rate of change of area when the sides and the included angle are respectively 5 ft,8 ft, and 60°?
Last Answer : Area = (L1 L2) sin(angle) , where L1, L2 and and angle are functions of time t. Take the derivative using the multiplication rule. The derivative will equal (L1L2)(derivative of sin) + sin times ... will have to use the multiplication rule a second time to get the derivative of L1 L2. Good luck.
Description : The angle between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60°. -Maths 9th
Last Answer : Let the parallelogram be ABCD, in which ∠ADC and ∠ABC are obtuse angles. Now, DE and DF are two altitudes of parallelogram and angle between them is 60°.
Description : The magnitude of vector product of two unit vectors making an angle of 60° with each other is
Last Answer : The magnitude of vector product of two unit vectors making an angle of 60° with each other is (A) 1 (B) 2 (C) 3/2 (D) √3/2
Description : How many image can a man see if he stands between two plane mirrors inclined at an angle of 60°?
Last Answer : 5
Description : The adjacent sides of a parallelogram are 2a and a. If the angle between them is 60°, then one of the diagonals of the parallelogram is -Maths 9th
Last Answer : answer: