2091. The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position)
✅ 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.
2092. The lathe centres are provided with standard taper known as
Morse taper
Seller’s taper
Chapman taper
Brown and Sharpe taper
✅ The correct answer is option A.
2093. The neutral axis of a beam is subjected to __________ stress.
zero
maximum tensile
minimum tensile
maximum compressive
✅ The correct answer is option A.
2094. The unit of power in S.I. units is
horsepower
joule
watt
kg-m
✅ The correct answer is option C.
2095. When a bolt is subjected to an external load, the stress induced in the bolt will be
tensile stress
shear stress
combined tensile and shear stress
any one of these
✅ The correct answer is option D.
2096. The taper on the lathe spindle is
1 in 10
1 in 15
1 in 20
1 in 30
✅ The correct answer is option C.
2097. An over-inflated tyre will wear the tread most near the
edges
corners
centre
none of these
✅ The correct answer is option C.
2098. Work study is mainly aimed at
determining the most efficient method of performing a job
establishing the minimum time of completion of a job
developing the standard method and standard time of a job
economising the motion
✅ The correct answer is option A.
2099. During the operation of a bessemer converter, the white flame indicates that the silicon and managenese had burnt and carbon has started oxidising.
Agree
Disagree
✅ The correct answer is option A.
2100. The cam shaft in an engine is always mounted
parallel to the crankshaft
perpendicular to the crankshaft
inclined to the crankshaft
none of these
✅ The correct answer is option A.