Table of Contents
Multiple choice questions Of Mechanics
1. When work is done in moving a particle around a closed loop in a field is zero, forces in the field are called
A. Zero forces
B. Non-Conservative forces
C. Conservative forces
D. Viscous forces
2. Perpendicular resolution is also known as ______.
A. Orthogonal resolution
B. Highgate resolution
C. Both A and B
D. None of these
3. Substances that elongate considerably and undergo plastic deformation before they break are known as
A. Brittle substances
B. Breakable substances
C. Ductile substances
D. Elastic substances
4. Which of the following statements is true for flat belts?
A. They are used for short distances between the pulleys
B. They have high efficiency
C. They are used in lathe machines
D. All of the above
5. Which statements are true for flat belts?
A. They are used for short distances between the pulleys
B. They have high efficiency
C. They are used in lathe machines
D. All of the above
6. 1 torr is equal to
A. 1 N⁄m²
B. 1 mm Hg
C. 1 bar
D. All of the above
7. Which os the following is the type of Redundant truss?
A. Perfect truss
B. Stable truss
C. Imperfect truss
D. None of the above
8. Upthrust is known as ________.
A. Bernoulli’s Principle
B. Archimedes’ Principle
C. Pascal’s Law
D. Coulomb’s law
9. ___________ is a type of conservative force?
A. Gravity force
B. Frictional force
C. Both a. and b.
D. None of the above
10. Tensile stress is equal to_____.
A. Force per unit area
B. Force per unit volume
C. Extension per unit length
D. Extension per unit area
11. S.I unit of work done is ______.
A. Joule
B. Newton meter
C. Both a. and b.
D. None of the above
12. Boyle’s law states that
A. Pressure of a gas is inversely proportional to its volume i.e. P × V = constant
B. Pressure of a gas is directly proportional to its volume i.e. P⁄V = constant
C. Pressure of a gas is inversely proportional to the square of its volume i.e. P × V² = constant
D. Pressure of a gas is directly proportional to the square of its volume i.e. P ⁄ V² = constant
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