1281. In a lockgate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)
P / 2sinα
✅ 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.
1282. The fire tubes in a Cochran boiler usually have __________ diameter.
6.25 mm
62.5 mm
72.5 mm
92.5 mm
✅ The correct answer is option B.
1283. In case of eccentrically loaded struts __________ is preferred.
solid section
hollow section
composite section
reinforced section
✅ The correct answer is option C.
1284. The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.
TRUE
FALSE
✅ The correct answer is option B.
1285. The specific weight is also known as weight density.
Correct
Incorrect
✅ The correct answer is option A.
1286. Which of the following pump is successfully used for lifting water to the turbines?
Centrifugal pump
Reciprocating pump
Jet pump
Air lift pump
✅ The correct answer is option C.
1287. In a centre lathe, the cutting tool is fed in __________ with reference to the lathe axis.
cross direction only
longitudinal direction only
both cross and longitudinal direction
any direction
✅ The correct answer is option C.
1288. The velocity of steam, in reaction turbines, is increased in the fixed blades as well as in moving blades.
TRUE
FALSE
✅ The correct answer is option A.
1289. In a four stroke cycle diesel engine, the compression
starts at 40° after bottom dead centre and ends at 10° before top dead centre
starts at 40° before top dead centre and ends at 40° after top dead centre
starts at top dead centre and ends at 40° before bottom dead centre
may start and end anyw
✅ The correct answer is option A.
1290. PERT stands for
Programme Estimation and Reporting Technique
Process Estimation and Review Technique
Programme Evaluation and Review Technique
Planning Estimation an
✅ The correct answer is option C.