3571. The spark ignition engines are governed by
hit and miss governing
qualitative governing
quantitative governing
combination of (b) and
✅ The correct answer is option C.
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.
3572. Which of the following is a mesomorphous material?
Mica
Silver
Lead
Brass
✅ The correct answer is option A.
3573. According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)
Cd(L – nH)2gH
Cd(L – 0.1nH)2gH3/2
Cd(L – nH)2gH2
Cd(L – 0.2nH)2gH5/2
✅ The correct answer is option B.
3574. A flow whose streamline is represented by a curve, is called
one-dimensional flow
two-dimensional flow
three-dimensional flow
four-dimensional flow
✅ The correct answer is option B.
3575. The cutting speed of a drill depends upon the
material of drill
type of material to be drilled
quality of surface finish desired
all of these
✅ The correct answer is option D.
3576. A hydraulic press is a device used
to store pressure energy which may be supplied to a machine later on
to increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure
to lift larger load by the application of a comparatively much smaller force
all of the above
✅ The correct answer is option C.
3577. In a marine flange coupling, the thickness of flange is taken as
d/4
d/3
d/2
3 d/4
✅ The correct answer is option B.
3578. The probability of knocking in diesel engines is increased by
high self ignition temperature
low volatility
higher viscosity
all of these
✅ The correct answer is option D.
3579. A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.
equal to
less than
greater than
✅ The correct answer is option C.