2761. The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ number of stages are required.
more
less
✅ 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.
2762. The ductility is the property of a material due to which it
can be drawn into wires
breaks with little permanent distortion
can be rolled or hammered into thin sheets
can resist fracture du
✅ The correct answer is option A.
2763. Producer gas is obtained by
partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
carbonisation of bituminous coal
passing steam over incandescent coke
passing air and a larg
✅ The correct answer is option A.
2765. When a thin cylindrical shell is subjected to an internal pressure, there will be
a decrease in diameter and length of the shell
an increase in diameter and decrease in length of the shell
a decrease in diameter and increase in length of the shell
an increase in diamete
✅ The correct answer is option D.
2766. In an axial flow reaction turbine, the water flows __________ to the axis of the wheel.
parallel
perpendicular
✅ The correct answer is option A.
2767. According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be
45 to 60%
63 to 70%
70 to 83%
80 to 90%
✅ The correct answer is option D.
2768. A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
dynamically balanced
statically balanced
statically and dynamically balanced
not balanced
✅ The correct answer is option C.
2769. The mechanical efficiency (ηm) of the engine is given by
none of these
✅ The correct answer is option A.
2770. The working pressure range for a La-Mont boiler is
0.5 to 10 MN/m2
1 to 15 MN/m2
2.5 to 15 MN/m2
3.5 to 20 MN/m2
✅ The correct answer is option D.