5061. For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is
[A].
[B].
[C].
[D].
✅ The correct answer is option A.
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.
5062. Only rocket engines can be propelled to space because
[A]. they can generate very high thrust
[B]. they have high propulsion efficiency
[C]. these engines can work on several fuels
[D]. they are not air-breathing engines
✅ The correct answer is option D.
5063. Thermal equilibrium means that the flow of steam is
[A]. isothermal
[B]. isentropic
[C]. hyperbolic
[D]. polytropic
✅ The correct answer is option B.
5064. In a uniflow engine
[A]. steam enters and exhausts through the same port
[B]. steam enters at one end and exhausts at the centre
[C]. steam enters at the centre and exhausts at the other end
[D]. none of the above
✅ The correct answer is option B.
5065. High speed compression engines operate on
[A]. Otto cycle
[B]. Diesel cycle
[C]. Dual-combustion cycle
[D]. all of these
✅ The correct answer is option C.
5066. One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.
[A]. All
[B]. 4/7
[C]. 11/4
[D]. 9/7
✅ The correct answer is option B.
5067. A hydraulic coupling belongs to the category of
[A]. power absorbing machines
[B]. power developing machines
[C]. energy transfer machines
[D]. energy generating machines
✅ The correct answer is option C.
5068. Slenderness ratio is the ratio of
[A]. maximum size of column to minimum size of column
[B]. width of column to depth of column
[C]. effective length of column to least radius of gyration of the column
[D]. effective length of column to width of column
✅ The correct answer is option C.
5069. A binary vapour plant consists of
[A]. steam turbine
[B]. steam condenser
[C]. mercury boiler
[D]. all of these
✅ The correct answer is option D.
5070. The cam follower generally used in automobile engines is
[A]. knife edge follower
[B]. fiat faced follower
[C]. spherical faced follower
[D]. roller follower
✅ The correct answer is option C.