Join Us ::

Menu Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

General Knowledge :: All Aptitude Test ::

Home » General Knowledge » Aptitude Test - 57
Hassan
1.How much water a pump of 2kW can raise in one minute to a height of 10m? (g=10m/s2)?
A. 1000litres
B. 1200litres
C. 10litres
D. 1000litres
2.A body of mass 2kg is placed on a rough horizontal plane. The coefficient of friction between body and the plane is 0.2. Then ?
A. Body will move in forward direction if F=3N
B. Body will move in backward direction with acceleration of 0.5m/s2, if force F=3N
C. If F=3N, then body will be in rest condition
D. Body will move in forward direction if F=3N
3.When we steer a bicycle round a bend with both our hands on the handlebars, we apply a?
A. Force
B. Torque
C. Couple
D. Force
4.The areal velocity of a planet is constant. This is stated by?
A. Newton’s third law of motion
B. Kepler’s second law of planetary motion
C. Fourier’s law
D. Newton’s third law of motion
5.The internal torque on the system due to internal force is?
A. Increasing
B. Decreasing
C. Constant
D. Increasing
6.Which of the following can execute both translational and rotational motion under the influence of the external field?
A. Rigid body
B. Ideal body
C. Rotating body
D. Rigid body
7.A spring 40mm ling is stretched by the application of force. If 10N force is required to stretch the spring through 1mm, then the work done in stretching the spring through 40mm is?
A. 23J
B. 68J
C. 84J
D. 23J
8.Two bodies w of masses m and 4m are moving with equal kinetic energies. What is the ratio of their linear momenta?
A. 1:2
B. 1:1
C. 4:1
D. 1:2
9.Water falls from a height of 60m at the rate of 15kg.s to operate a turbine. The losses due to friction forces are 10% of energy. How much power is generated by the turbine? g=m/s2?
A. 7kW
B. 10.2kW
C. 12.3kW
D. 7kW
10.A shell explodes into four unequal parts. Which one of the following is conserved?
A. Potential energy
B. Kinetic energy
C. Momentum
D. Potential energy
11.If the earth stops rotating, the value of g at the equator
A. Increases
B. Decreases
C. First increases and then decreases
D. Increases
12.A satellite revolves very near to the earth surface. Its speed should be around?
A. 5km/s
B. 8km/s
C. 2km/s
D. 5km/s
13.The value of escape velocity on a certain planet is 2km/s. Then the value of orbital speed for a satellite orbiting close to its surface is?
A. 12km/s
B. 1km/s
C. √2km/s
D. 12km/s
14.If gravitational constant is decreasing with time, what will remain unchanged in case of a satellite orbiting around the earth?
A. Time period
B. Orbiting radius
C. Areal velocity
D. Time period
15.An elephant and an ant are to be projected out of the earth into space. What is the velocity needed to do so?
A. Elephant needs to be projected with a higher velocity
B. Ant should be projected with a higher velocity
C. Both should be projected with the same velocity
D. Elephant needs to be projected with a higher velocity
16.An astronaut, while revolving in a circular orbit happens to throw a spoon outside. What will happen to the spoon?
A. It will reach the earth surface
B. It will escape the universe
C. It will remain stationary
D. It will reach the earth surface
17.A satellite orbiting the earth with speed v0. To make the satellite escape, what should be the minimum percentage increase in its velocity?
A. 41.5%
B. 44.1%
C. 41.4%
D. 41.5%
18.A particle is acted upon by a force of a constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that ?
A. Its velocity is constant and kinetic energy is constant
B. Its acceleration and velocity is constant
C. Its kinetic energy is constant and it moves in a circular path
D. Its velocity is constant and kinetic energy is constant
19.An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated in the range?
A. 200J – 500J
B. 2×105J – 3×105J
C. 20000J – 50000J
D. 200J – 500J
20.A particle of mass 100g is thrown vertically upwards with a speed of 5m/s. The work done by the force of gravity during the time the particle goes up is ?
A. 1.25J
B. 0.5J
C. -0.5J
D. 1.25J
21.Statement 1: Linear momentum of a system of particles is zero. Statement 2: Kinetic energy of a system of particles is zero.
A. 1 does not imply 2 and 2 does not imply 1
B. 1 implies 2 but 2 does not imply 1
C. 1 does not imply 2 but 2 implies 1
D. 1 does not imply 2 and 2 does not imply 1
22.If mass-energy equivalence is taken into account when water is cooled to form ice, the mass of water should?
A. Increase
B. Remain unchanged
C. Decrease
D. Increase
23.A body moves a distance of 10m under the action of force F = 10N. If the work done is 25 J, the angle which the force makes with the direction of motion is?
A. 0°
B. 30°
C. 60°
D. 0°
24.Two bodies of mass and 4m have equal kinetic energy. What is the ratio of their momentum?
A. 1:4
B. 1:2
C. 1:1
D. 1:4
25.On being displaced, the centre of mass of unstable equilibrium goes?
A. Higher
B. Neither higher nor lower
C. First higher and then lower
D. Higher
26.Which of the following stays in equilibrium even after being slightly displaced?
A. Stable equilibrium
B. Unstable equilibrium
C. Neutral equilibrium
D. Stable equilibrium
27.The flying wheel attached to the shaft of steam engine works on the principle of?
A. Centripetal action
B. Moment of inertia
C. Newton’s third law of motion
D. Centripetal action
28.A wheel of mass 8kg and radius of gyration 25cm is rotating at 300rpm. What is its moment of inertia?
A. 0.5 kgm2
B. 10 kgm2
C. 5 kgm2
D. 0.5 kgm2
29.The moment of inertia of a uniform circular disc about its diameter is 100gcm2. What is its moment of inertia about its tangent?
A. 200 gcm2
B. 100 gcm2
C. 900 gcm2
D. 200 gcm2
30.The moment of inertia of a uniform circular disc about its diameter is 100 gcm2. What is its moment of inertia about an axis perpendicular to its plane.
A. 500 gcm2
B. 100 gcm2
C. 200 gcm2
D. 500 gcm2
Related Subjects

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers    
Our Team | Career | Contact | JoinUs | Privacy Policy | DMC

© 2020-2024 by Pak-MCQs.net All Rights Reserved.

Email: [email protected]