5171. Morse test can be conducted for
[A]. petrol engines
[B]. diesel engines
[C]. multi-cylinder engines
[D]. all of these
✅ 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.
5172. A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)
[A]. less than 20 d
[B]. greater than 30 d
[C]. between 20 d and 30 d
[D]. equal to inside diameter of pipe
✅ The correct answer is option C.
5173. In the casing of a centrifugal pump, the kinetic energy of the water is converted into pressure energy before the water leaves the casing.
[A]. True
[B]. False
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✅ The correct answer is option A.
5174. An air preheater is installed
[A]. before the economiser
[B]. before the superheater
[C]. between the economiser and chimney
[D]. none of these
✅ The correct answer is option C.
5175. An alloy steel which is work hardenable and which is used to make the blades of bulldozers, bucket wheel excavators and other earth moving equipment contain iron, carbon and
[A]. chromium
[B]. silicon
[C]. manganese
[D]. magnesium
✅ The correct answer is option C.
5176. PERT is an event oriented technique.
[A]. Correct
[B]. Incorrect
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✅ The correct answer is option A.
5177. If the slenderness ratio for a column is 100, then it is said to be a __________ column.
[A]. long
[B]. medium
[C]. short
null
✅ The correct answer is option A.
5178. The main function of the tread pattern on tyre is that
[A]. the tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
[B]. the crests between the tread grooves absorb road noise
[C]. in wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
[D]. the tread pattern protects the tyre’s inner carcass from small stones and pieces of glass
✅ The correct answer is option C.
5179. Parson’s reaction turbine is a __________ reaction turbine.
[A]. 40 percent
[B]. 50 percent
[C]. 60 percent
[D]. 70 percent
✅ The correct answer is option B.
5180. One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
[A]. 8/3
[B]. 11/3
[C]. 11/7
[D]. 7/3
✅ The correct answer is option D.