3381. The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.
Agree
Disagree
✅ The correct answer is option A.
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.
3382. Materials which make good moderators do not make good reflectors.
Correct
Incorrect
✅ The correct answer is option B.
3384. The stress induced in a body will be shear stress, when it is subjected to
longitudinal vibrations
transverse vibrations
torsional vibrations
none of these
✅ The correct answer is option C.
3385. The main purpose of an engine’s air cleaner is that it
controls the engine’s air intake volume
reduces the engine’s air intake noise
prevents rain water from entering the engine
prevents dust and othe
✅ The correct answer is option D.
3386. The process of removing moisture from the air, without change in its dry bulb temperature, is called dehumidification.
Correct
Incorrect
✅ The correct answer is option A.
3387. Locomotive boiler produces steam at a very high rate.
Yes
No
✅ The correct answer is option A.
3388. The compressor efficiency is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.
Correct
Incorrect
✅ The correct answer is option B.
3389. Creep in belt drive is due to
weak material of the belt
weak material of the pulley
uneven extensions and contractions of the belt when it passes from tight side to slack side
expansion of the belt
✅ The correct answer is option C.
3390. Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.
Agree
Disagree
✅ The correct answer is option A.