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1. A force of 50 N acts on a mass of 10 kg. What is the acceleration?
A. 2 m/s²
B. 5 m/s²
C. 10 m/s²
D. 25 m/s²
Correct Answer: B (5 m/s²) ✔
Using Newton’s Second Law 𝐹 = 𝑚𝑎, acceleration equals force divided by
mass (50 ÷ 10 = 5 m/s²), a fundamental dynamics principle.
2. Which law states that pressure applied to a confined fluid is transmitted
equally in all directions?
A. Bernoulli’s Principle
B. Archimedes’ Principle
C. Pascal’s Law
D. Newton’s Third Law
Correct Answer: C (Pascal’s Law) ✔
, Pascal’s Law governs fluid mechanics in closed systems such as hydraulic
presses.
3. The slope of a velocity-time graph represents:
A. Displacement
B. Acceleration
C. Jerk
D. Force
Correct Answer: B (Acceleration) ✔
In kinematics, slope of velocity vs time equals acceleration.
4. A resistor of 10 Ω carries a current of 2 A. What is the voltage?
A. 5 V
B. 10 V
C. 20 V
D. 40 V
Correct Answer: C (20 V) ✔
Using Ohm’s Law 𝑉 = 𝐼𝑅, voltage is 2 × 10 = 20 V, a key circuits concept.
5. Which material property measures resistance to deformation under tensile
stress?
A. Hardness
B. Ductility
C. Strength
D. Elasticity
Correct Answer: C (Strength) ✔
In materials science, strength defines resistance to applied load.
,6. The unit of power in SI is:
A. Joule
B. Watt
C. Newton
D. Pascal
Correct Answer: B (Watt) ✔
Power is energy per unit time, measured in watts.
7. A beam fixed at one end and free at the other is called:
A. Simply supported beam
B. Cantilever beam
C. Continuous beam
D. Truss
Correct Answer: B (Cantilever beam) ✔
In structural analysis, cantilever beams are fixed on one end only.
8. Which process converts liquid water into vapor below boiling point?
A. Evaporation
B. Condensation
C. Sublimation
D. Fusion
Correct Answer: A (Evaporation) ✔
Phase change in thermodynamics occurring at surface level.
9. The derivative of position with respect to time is:
A. Acceleration
B. Velocity
C. Momentum
D. Force
, Correct Answer: B (Velocity) ✔
Basic calculus-based kinematics definition.
10.Which is a scalar quantity?
A. Velocity
B. Force
C. Displacement
D. Speed
Correct Answer: D (Speed) ✔
Scalars have magnitude only, unlike vectors.
11.A system has efficiency of 80% and input power of 100 W. Output power is:
A. 20 W
B. 50 W
C. 80 W
D. 120 W
Correct Answer: C (80 W) ✔
Efficiency = output/input × 100.
12.The boiling point of water at standard atmospheric pressure is:
A. 90°C
B. 95°C
C. 100°C
D. 110°C
Correct Answer: C (100°C) ✔
Standard reference in thermodynamics.
13.Which type of stress acts parallel to the surface?
A. Tensile