1091. The draught in locomotive boilers is produced by a
chimney
centrifugal fan
steam jet
none 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.
1092. Trepanning is an operation of
making a cone-shaped enlargement of the end of a hole
smoothing and squaring the surface around a hole
sizing and finishing a small diameter hole
producing a hole by re
✅ The correct answer is option D.
1093. In centreless grinding, work place centre will be
above the line joining the two wheel centres
below the line joining the two wheel centres
on the line joining the two wheel centres
at the intersection of
✅ The correct answer is option A.
1095. In two dimensional flow, the flow does not take place in a curve.
TRUE
FALSE
✅ The correct answer is option B.
1096. Reheating of steam in a turbine
increases the workdone through the turbine
increases the efficiency of the turbine
reduces wear on the blades
all of these
✅ The correct answer is option D.
1097. The throttling process is an irreversible steady flow expansion process.
Correct
Incorrect
✅ The correct answer is option A.
1098. In a four stroke cycle petrol engine, the expansion
starts at top dead centre and ends at bottom dead centre
starts at 30° before top dead centre and ends at 50° before bottom dead centre
starts at 30° after top dead centre and ends at 50° after bottom dead centre
may start and end anyw
✅ The correct answer is option B.
1099. An open cycle gas turbine works on
Carnot cycle
Otto cycle
Joule’s cycle
Stirling cycle
✅ The correct answer is option C.
1100. The ability of a material to undergo large permanent deformation with the application of a tensile force, is called ductility.
Correct
Incorrect
✅ The correct answer is option A.