1. Lancashire boiler is used where working pressure and power required are
low
moderate
high
none of these
✅ The correct answer is option B.
Mechanical Engineering
Prepare with the best Mechanical Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers core topics such as engineering mechanics, thermodynamics, strength of materials, theory of machines, fluid mechanics, heat transfer, manufacturing processes, machine design, and power plant engineering. These Mechanical Engineering multiple-choice questions are designed for students, fresh graduates, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving ability with our updated and comprehensive Mechanical Engineering MCQs.
2. In order to have a good grip on the pulley, the V-belt should touch the bottom of the groove in the pulley.
TRUE
FALSE
✅ The correct answer is option B.
3. In order to avoid cavitation in centrifugal pumps
the suction pressure should be high
the delivery pressure should be high
the suction pressure should be low
the delivery pressure
✅ The correct answer is option A.
4. A front stabilizer bar is used to
increase vehicle load-carrying capacity
provide a softer ride
control suspension movement and body roll
all of the above
✅ The correct answer is option C.
6. A differential manometer is used to measure
atmospheric pressure
pressure in pipes and channels
pressure in venturimeter
difference of pressure
✅ The correct answer is option D.
7. The shear modulus of resilience is proportional to
shear stress
(shear stress)2
(shear stress)3
(shear stress)4
✅ The correct answer is option B.
8. The cutting edge of a chisel should be
hardened
tempered
hardened and tempered
case hardened
✅ The correct answer is option C.
9. When the shear force diagram is a parabolic curve between two points, it indicates that there is a
point load at the two points
no loading between the two points
uniformly distributed load between the two points
uniformly varying load
✅ The correct answer is option D.
10. The indicated power for multi-cylinder engine will be same as that of a single cylinder engine.
TRUE
FALSE
✅ The correct answer is option B.