2871. 18-4-1 high speed steel contains
vanadium 4%, chromium 18% and tungsten 1%
vanadium 1%, chromium 4% and tungsten 18%
vanadium 18%, chromium 1% and tungsten 4%
none of the above
✅ 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.
2872. The secondary unbalanced force is __________ the primary unbalanced force.
one-half
two-third
n times
1/n times
✅ The correct answer is option D.
2873. The taper on cotter varies from
1 in l5 to 1 in 10
1 in 24 to 1 in 20
1 in 32 to 1 in 24
1 in 48 to 1 in 24
✅ The correct answer is option D.
2874. Process layout is employed
where low volume of production is required
where similar jobs are manufactured on similar machines
where machines are arranged on functional basis
all of the above
✅ The correct answer is option D.
2875. In the relation VTn = C, the value of n for high speed steel tools varies from 0.25 to 0.40.
Agree
Disagree
✅ The correct answer is option B.
2876. When a mechanism is required to transmit power or to do some particular type of work, then it becomes a machine.
Agree
Disagree
✅ The correct answer is option A.
2877. The example of completely constrained motion is a
motion of a piston in the cylinder of a steam engine
motion of a square bar in a square hole
motion of a shaft with collars at each end in a circular hole
all of the above
✅ The correct answer is option D.
2878. Wood charcoal is produced by heating the wood at 100°C.
Yes
No
✅ The correct answer is option B.
2880. The ball and socket joint is an example of screw pair.
Agree
Disagree
✅ The correct answer is option B.