A man is standing on a weighing machine in a lift which is moving. The weighing machine will show minimum reading when, the lift is moving A. In a free fall due to failure of the lift mechanism B. Upward with uniform acceleration C. Downward with uniform acceleration D. Upward with uniform speed

A man is standing on a weighing machine in a lift which is moving. The weighing machine will show minimum reading when, the lift is moving A. In a free fall due to failure of the lift mechanism B. Upward with uniform acceleration C. Downward with uniform acceleration D. Upward with uniform speed
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A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving? A. Upward with uniform speed B. Downward with uniform acceleration C. In a free fall due to failure of the lift mechanism (Answer) D. None of these

Description : A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving? A. Upward with uniform speed B. Downward with uniform acceleration C. In a free fall due to failure of the lift mechanism (Answer) D. None of these

Last Answer : C. In a free fall due to failure of the lift mechanism (Answer)

A person weighs more in a lift, which is (a) moving up with a constant velocity (b) moving down with a constant velocity (c) accelerating upward (d) accelerating downward

Description : A person weighs more in a lift, which is (a) moving up with a constant velocity (b) moving down with a constant velocity (c) accelerating upward (d) accelerating downward

Last Answer : Ans:(c)

As i was standing on a weighing machine inside a lift it recorded 50 kg wt. Suddenly for few seconds it recorded 45 kg wt.

Description : As i was standing on a weighing machine inside a lift it recorded 50 kg wt. Suddenly for few seconds it recorded 45 kg wt.

Last Answer : As i was standing on a weighing machine inside a lift it recorded 50 kg wt. Suddenly ... during that time? Explain with complete numerical analysis.

The apparent weight of a man in a lift is less the real weight when – (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Description : The apparent weight of a man in a lift is less the real weight when – (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Last Answer : (4) the lift is going down with an acceleration Explanation: If the lift accelerates downwards with acceleration a, then the apparent weight of the man standing in the lift will be less than the ... upwards with acceleration, then the apparent weight of the man will be greater than his true weight.

The apparent weight of a man in a lift is less the real weight when : (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Description : The apparent weight of a man in a lift is less the real weight when : (1) the lift is going up with an acceleration (2) the lift is going down with uniform speed (3) the lift is going up with uniform speed (4) the lift is going down with an acceleration

Last Answer : the lift is going down with an acceleration

A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second relative to the elevator. What is the velocity of the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?

Description : A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second ... the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?

Last Answer : ANSWER: 20 METERS PER SECOND DOWN

what is the acceleration of a 1.4 kg object if the gravitational force pulls downward on it , but air resistance pushes upward on it with a force of 2.5 N?

Description : what is the acceleration of a 1.4 kg object if the gravitational force pulls downward on it , but air resistance pushes upward on it with a force of 2.5 N?

Last Answer : if g = 10(m/s)/s then force down = ma = 10*1.4=14n14n-2.5n=11.5na=f/m = 11.5/1.4 = 8.21 (m/s/)s

A particle is thrown vertically upward. When it reaches the highest point, it has – (1) a downward acceleration (2) an upward acceleration (3) a downward velocity (4) a horizontal velocity

Description : A particle is thrown vertically upward. When it reaches the highest point, it has – (1) a downward acceleration (2) an upward acceleration (3) a downward velocity (4) a horizontal velocity

Last Answer : (1) a downward acceleration Explanation: When a particle is thrown vertically upwards in space, it will experience constant acceleration towards the ground (irrespective of the direction in which it ... point, it has zero velocity but has downward acceleration equal to acceleration due to gravity.

An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object

Description : An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object

Last Answer : ANSWER: X -- 9.8 METERS PER SECOND SQUARED DOWNWARD

A particle is thrown vertically upward. When it reaches the highest point, it has (1) a downward acceleration (2) an upward acceleration (3) a downward velocity (4) a horizontal velocity

Description : A particle is thrown vertically upward. When it reaches the highest point, it has (1) a downward acceleration (2) an upward acceleration (3) a downward velocity (4) a horizontal velocity

Last Answer : a downward acceleration

The apparent weight of a person in a lift which is moving down with uniform acceleration is _______. (1) greater than the weight when the person is stationary (2) twice the weight when the person is stationary (3) less than the weight when the person is stationary (4) same as the weight when the person is stationary

Description : The apparent weight of a person in a lift which is moving down with uniform acceleration is _______. (1) greater than the weight when the person is stationary (2) twice the weight when the person ... than the weight when the person is stationary (4) same as the weight when the person is stationary

Last Answer : (3) less than the weight when the person is stationary

A cage weighing 200 kg is lowered down a mine shaft with uniform acceleration. In the first 5 sec the cage reaches a depth of 20 m. The tension in the cord lowering the cage would be a.836 kg b.167.2 kg c.100 kg d.41.8 kg e.200 kg

Description : A cage weighing 200 kg is lowered down a mine shaft with uniform acceleration. In the first 5 sec the cage reaches a depth of 20 m. The tension in the cord lowering the cage would be a.836 kg b.167.2 kg c.100 kg d.41.8 kg e.200 kg

Last Answer : b. 167.2 kg

Power required for a train weighing 200 Mg to move at a uniform speed of 60 Kmph up an incline of 1 in 200 is (Resistance due to friction is negligible) a.16.67 KW b.163.5 KW c.1000 KW d.9810 KW e.Tapered bearing

Description : Power required for a train weighing 200 Mg to move at a uniform speed of 60 Kmph up an incline of 1 in 200 is (Resistance due to friction is negligible) a.16.67 KW b.163.5 KW c.1000 KW d.9810 KW e.Tapered bearing

Last Answer : b. 163.5 KW

A crate weighing 40 kg rests on a cart moving with an acceleration W. The coefficient of friction between the cart and the crate is a.2.45 m/sec2 b.4.00 m/sec2 c.0.25 m/sec2 d.4.16 m/sec2 e.1.25 m/sec2

Description : A crate weighing 40 kg rests on a cart moving with an acceleration W. The coefficient of friction between the cart and the crate is a.2.45 m/sec2 b.4.00 m/sec2 c.0.25 m/sec2 d.4.16 m/sec2 e.1.25 m/sec2

Last Answer : a. 2.45 m/sec2

Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to (A) Deflect downward (B) Deflect upward (C) Deflect downward or upward (D) None of the above

Description : Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to (A) Deflect downward (B) Deflect upward (C) Deflect downward or upward (D) None of the above

Last Answer : Answer: Option A

A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be - (1) a parabola (2) a horizontal straight line (3) a vertical straight line (4) a circle

Description : A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be - (1) a parabola (2) a horizontal straight line (3) a vertical straight line (4) a circle

Last Answer : (1) a parabola Explanation: Parabola, because when the coin is dropped at a particular point, it has the same velocity as the running train. So, by Newton's first law, it continues its motion horizontally with that velocity.

A man wished to move a block of size 3 m x 3 m weighing 80 kg. The coefficient of friction between the block and the ground is 0.27. Which of the following methods should be used? a.Slide along the ground by pushing b.Ask for cranes c.Pull it d.Tip it over e.Lift it bodily

Description : A man wished to move a block of size 3 m x 3 m weighing 80 kg. The coefficient of friction between the block and the ground is 0.27. Which of the following methods should be used? a.Slide along the ground by pushing b.Ask for cranes c.Pull it d.Tip it over e.Lift it bodily

Last Answer : d. Tip it over

A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be (A) Zero (B) (5/24) (WL3 /EI) upward (C) (5/24) (WL3 /EI) downward (D) None of these

Description : A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its  free end upward. The net deflection of the free end will be  (A) Zero  (B) (5/24) (WL3 /EI) upward  (C) (5/24) (WL3 /EI) downward  (D) None of these 

Last Answer : (B) (5/24) (WL3 /EI) upward

A satellite moving round the earth with a uniform speed has _____? A. An accelerated motion B. No acceleration at all C. Uniform acceleration D. Uneven acceleration

Description : A satellite moving round the earth with a uniform speed has _____? A. An accelerated motion B. No acceleration at all C. Uniform acceleration D. Uneven acceleration

Last Answer : ANSWER: C

A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is – (1) zero (2) V/r (3) V/r² (4) V²/r

Description : A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is – (1) zero (2) V/r (3) V/r² (4) V²/r

Last Answer : (4) V²/r Explanation: When a particle is moving in a uniform circular motion with constant speed and radius. the acceleration of the particle is given by v2/r. The particle will exhibit centripetal acceleration.

A satellite moving round the earth with a uniform speed has------? A. An accelerated motion B. No acceleration at all C. Uniform acceleration (Answer) D. Uneven acceleration

Description : A satellite moving round the earth with a uniform speed has------? A. An accelerated motion B. No acceleration at all C. Uniform acceleration (Answer) D. Uneven acceleration

Last Answer : C. Uniform acceleration (Answer)

A particle moving with uniform speed can possess : (a) radial acceleration (b) tangential acceleration © both radial and tangential accelerations (d) neither radial nor tangential acceleration

Description : A particle moving with uniform speed can possess :  (a) radial acceleration (b) tangential acceleration © both radial and tangential accelerations (d) neither radial nor tangential acceleration

Last Answer : Neither radial nor tangential... as if it move in a straight line.. but it possess radial acceleration if it moves in a uniform circular path

A system weighing 2kN. Determine the force that accelerate if to 12 m/s^2. a. vertically upward when g = 9.7 m/s^2  A. 4474.23 N  B.5484.23 N  C.4495.23 N  D.5488.23 N Formula: F = m/k (a +g)

Description : A system weighing 2kN. Determine the force that accelerate if to 12 m/s^2. a. vertically upward when g = 9.7 m/s^2  A. 4474.23 N  B.5484.23 N  C.4495.23 N  D.5488.23 N Formula: F = m/k (a +g)

Last Answer : 4474.23 N

In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by aslowly falling body weighing 40 kg through a height of 4 m. The process isrepeated 500 times. The acceleration due to gravity is 9.8 ms-2. Neglectingthe heat capacity of agitator, the temperature of water (in °C) is(A) 40.5(B) 34.4(C) 26.8(D) 25

Description : In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by a slowly falling body weighing 40 kg through a height of 4 m. The process is repeated ... temperature of water (in °C) is (A) 40.5 (B) 34.4 (C) 26.8 (D) 25

Last Answer : (B) 34.4

Water rises in a capillary tube to a height h. It will rise to a height more than h. a.in a lift moving up with an acceleration b.in all the above cases c.107 dynes d.at the poles e.on the surface of moon

Description : Water rises in a capillary tube to a height h. It will rise to a height more than h. a.in a lift moving up with an acceleration b.in all the above cases c.107 dynes d.at the poles e.on the surface of moon

Last Answer : e. on the surface of moon

A body whose true weight is 14 kg appears to weigh 15 kg when weighed with the help of a spring balance in a moving lift. The acceleration of the lift at the time was a.1 m/sec2 b.0.7 m/sec2 c.0.5 m/sec2 d.1.4 m/sec2 e.0.35 m/sec2

Description : A body whose true weight is 14 kg appears to weigh 15 kg when weighed with the help of a spring balance in a moving lift. The acceleration of the lift at the time was a.1 m/sec2 b.0.7 m/sec2 c.0.5 m/sec2 d.1.4 m/sec2 e.0.35 m/sec2

Last Answer : b. 0.7 m/sec2

Is there a difference in the upward nod and the downward nod?

Description : Is there a difference in the upward nod and the downward nod?

Last Answer : Upward = “S’up, dude?” Downward = “G’day to you, sir”

what- two elevators are side by side. the freight elevator is at the bottom floor and traveling upward, and the express elevator is at the 20th floor and traveling downward. the height of the freight elevator?

Description : what- two elevators are side by side. the freight elevator is at the bottom floor and traveling upward, and the express elevator is at the 20th floor and traveling downward. the height of the freight elevator?

Last Answer : in floors is described by the equation y= 1/4x, ......

Intragenerational mobility may be upward or downward.

Description : Intragenerational mobility may be upward or downward.

Last Answer : Correct underlined word and complete the sentence : Intragenerational mobility may be upward or downward.

Average Fixed Cost Curve is - (1) Upward sloping (2) `U' shaped (3) 'V' shaped (4) Downward sloping

Description : Average Fixed Cost Curve is - (1) Upward sloping (2) `U' shaped (3) 'V' shaped (4) Downward sloping

Last Answer : (4) Downward sloping Explanation: The Average Fixed Cost Curve graphically represents the relation between average fixed cost incurred by a firm in the short-run product of a good or service and the quantity produced. It is relatively high at small quantities of output.

An exceptional demand curve is one that moves - (1) upward to the right (2) downward to the right (3) horizontally (4) vertically

Description : An exceptional demand curve is one that moves - (1) upward to the right (2) downward to the right (3) horizontally (4) vertically

Last Answer : (2) downward to the right Explanation: A demand curve that violates the law of demand is termed an exceptional demand curve. If a household expects the price of a commodity to increase, it may ... backward slope from the top right to down left. This curve is known as an exceptional demand curve.

The demand curve for a Giffen good is (1) upward rising (2) downward falling (3) parallel to the quantity axis (4) parallel to the price axis

Description : The demand curve for a Giffen good is (1) upward rising (2) downward falling (3) parallel to the quantity axis (4) parallel to the price axis

Last Answer : (1) upward rising Explanation: A Giffen good is a good whose consumption in-creases as its price increases. (For a normal good, as the price increases, consumption decreases.) Thus, the ... a price changes the income effect outweighs the substitution effect and this leads to perverse demand curve.

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

The adiabatic saturation curve for a vapour-gas mixture is (A) Straight line (B) Slightly concave upward (C) Slightly concave downward (D) None of these

Description : The adiabatic saturation curve for a vapour-gas mixture is (A) Straight line (B) Slightly concave upward (C) Slightly concave downward (D) None of these

Last Answer : (B) Slightly concave upward

What is the direction of micropyle in anatropous ovule? (a) Upward (b) Downward (c) Right (d) Left

Description : What is the direction of micropyle in anatropous ovule? (a) Upward (b) Downward (c) Right (d) Left

Last Answer : b) Downward

What is the direction of movement of sugars in phloem? (a) Bi-directional (b) Non-multidirectional (c) Upward (d) Downward

Description : What is the direction of movement of sugars in phloem? (a) Bi-directional (b) Non-multidirectional (c) Upward (d) Downward

Last Answer : (a) Bi-directional

In which of the following cases, it is possible for flow to occur from low pressure to high pressure? (A) Flow of liquid upward in a vertical pipe (B) Flow through a converging section (C) Flow of air downward in a pipe (D) Impossible in a constant cross-section conduit

Description : In which of the following cases, it is possible for flow to occur from low pressure to high pressure? (A) Flow of liquid upward in a vertical pipe (B) Flow through a converging section (C) Flow of air downward in a pipe (D) Impossible in a constant cross-section conduit

Last Answer : (B) Flow through a converging section

Pick out the correct statement pertaining to Venturimeter. (A) A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward (B) The co-efficient of contraction of a Venturimeter is always unity (C) For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when compressibility is taken into account, than when it is neglected (D) None of these

Description : Pick out the correct statement pertaining to Venturimeter. (A) A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward (B ... , when compressibility is taken into account, than when it is neglected (D) None of these

Last Answer : (D) None of these

If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for (A) Horizontal sights (B) Inclined sights upward (C) Inclined sight downward (D) None of these

Description : If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for (A) Horizontal sights (B) Inclined sights upward (C) Inclined sight downward (D) None of these

Last Answer : (A) Horizontal sights

If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be. (A) Straight below centroidal axis (B) Parabolic with convexity downward (C) Parabolic with convexity upward (D) Straight above centroidal axis

Description : If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be. (A) Straight below centroidal axis (B) Parabolic with convexity downward (C) Parabolic with convexity upward (D) Straight above centroidal axis

Last Answer : Answer: Option B

Archimedes principle states that  a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid  b. when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.  c. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is greater than the weight of the displaced fluid.  d. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.

Description : Archimedes principle states that  a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid  b. ... fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.

Last Answer : when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.

A simply supported rectangular beam is uniformly loaded and is prestressed. The tendon provided for prestressing should be (a) Straight, above centroidal axis (b) Straight, below centroidal axis (c) parabolic, with convexity upward (d) Parabolic, with convexity downward

Description : A simply supported rectangular beam is uniformly loaded and is prestressed. The tendon provided for prestressing should be (a) Straight, above centroidal axis (b) Straight, below centroidal axis (c) parabolic, with convexity upward (d) Parabolic, with convexity downward

Last Answer : (d) Parabolic, with convexity downward

An increase in temperature on the top fibre of a simply supported beam will cause (a) Downward deflection (b) Upward deflection (c) No deflection (d) Angular rotation about neutral axis

Description : An increase in temperature on the top fibre of a simply supported beam will cause (a) Downward deflection (b) Upward deflection (c) No deflection (d) Angular rotation about neutral axis

Last Answer : Upward deflection

What is a temporary or permanent local deviation of the OTDR signal in the upward or downward direction called?

Description : What is a temporary or permanent local deviation of the OTDR signal in the upward or downward direction called?

Last Answer : A point defect.

Grapevine is also known as (a) Informal communication (b) Horizontal communication (c) Upward communication (d) Downward communication

Description : Grapevine is also known as (a) Informal communication (b) Horizontal communication (c) Upward communication (d) Downward communication

Last Answer : (a) Informal communication

The direction in which the formal communication flows is always (a) Upward (b) Downward (c) Horizontal (d) All of these

Description : The direction in which the formal communication flows is always (a) Upward (b) Downward (c) Horizontal (d) All of these

Last Answer : d) All of these

No flatus emitted upward or downward, especially after abdominal operation, is a feature of Options: 1) Anacardium 2) Bryonia 3) Carbo veg. 4) Raphanus

Description : No flatus emitted upward or downward, especially after abdominal operation, is a feature of Options: 1) Anacardium 2) Bryonia 3) Carbo veg. 4) Raphanus

Last Answer : Correct Answer: 4) Raphanus

When a subordinate or lower level manager passes information or offers suggestions to higher level management, they're using which level of communication? (a) Upward communication ; (b) Downward communication ; (c) Lateral communication (d) Diagonal communication

Description : When a subordinate or lower level manager passes information or offers suggestions to higher level management, they're using which level of communication? (a) Upward communication ; (b) Downward communication ; (c) Lateral communication (d) Diagonal communication

Last Answer : (a) Upward communication ;

The vertical flow of communication from lower level to one or more higher levels is _____________. (a) Upward communication ; (b) Downward communication ; (c) Formal Communication (d) Horizontal communication

Description : The vertical flow of communication from lower level to one or more higher levels is _____________. (a) Upward communication ; (b) Downward communication ; (c) Formal Communication (d) Horizontal communication 

Last Answer : (a) Upward communication ; 

__________ is a communication that flows from a higher level to one or more lower levels in the organization. (a) Horizontal communication ; (b) Upward communication ; (c) Downward communication (d) None of given options

Description : __________ is a communication that flows from a higher level to one or more lower levels in the organization. (a) Horizontal communication ; (b) Upward communication ; (c) Downward communication (d) None of given options

Last Answer : (d) None of given options