Online Test for Mechanical Engineering - Quiz Set 25 Mech Quiz Quiz Questions 01. The discharge through a turbine is (A) Directly proportional to H^(1/2) (B) Inversely proportional to H^(1/2) (C) Directly proportional to H^(3/2) (D) Inversely proportional to H^(3/2) 02. Which of the following is not wage incentive plan? (A) Differential piece rate system (B) Rowan plan (C) Emerson plan (D) Taylor plan 03. When the shear angle is large (A) Path of shear is short and chip is thin (B) Path of shear is large and chip is thick (C) Path of shear is short and chip is thick (D) Path of shear is large and chip is thin 04. Barometer is used to measure (A) Velocity of liquid (B) Atmospheric pressure (C) Pressure in pipes and channels (D) Difference of pressure between two points in a pipe 05. Planck's law holds good for (A) Black bodies (B) Polished bodies (C) All coloured bodies (D) All of the above 06. Which of the following is not an impulse turbine? (A) Girad turbine (B) Turgo turbine (C) Pelton wheel (D) Kaplan turbine 07. If the temperature of a solid surface changes from 27°C to 627°C, then its emissive power changes in the ratio of (A) 6 (B) 9 (C) 27 (D) 81 08. A cotter joint is used to transmit (A) Axial tensile load only (B) Axial compressive load only (C) Combined axial and twisting loads (D) Axial tensile or compressive loads 09. An aluminium member is designed on the basis of (A) Yield stress (B) Elastic limit stress (C) Proof stress (D) Ultimate stress 10. The thermostatic expansion valve is also called (A) Constant pressure valve (B) Constant temperature valve (C) Constant superheat valve (D) None of these 11. A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is (A) 0.25 kW (B) 0.75 kW (C) 1.75 kW (D) 3.75 kW 12. Galvanising is a (A) Zinc diffusion process (B) Process of coating zinc by hot dipping (C) Process used for making thin phosphate coating on steel (D) None of the above 13. The first method invented for planning projects was (A) Bar chart method (B) Milestone chart (C) Critical path method (CPM) (D) Programme evaluation and review technique (PERT) 14. Which of the following statement is correct as regard to up milling? (A) It can not be used on old machines due to backlash between the feed screw of the table and the nut (B) The chips are disposed off easily and do not interfere with the cutting (C) The surface milled appears to be slightly wavy (D) The coolant can be poured directly at the cutting zone where the cutting force is maximum 15. The mechanical efficiency of an impulse turbine is (A) Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine (B) Ratio of the actual work available at the turbine to the energy imparted to the wheel (C) Ratio of the Work done on the wheel to the energy of the jet (D) None of the above 16. The edges of the boiler plates are bevelled to an angle of (A) 45° (B) 60° (C) 70° (D) 80° 17. Neutral flame is used to weld (A) Steel (B) Cast iron (C) Copper (D) All of these 18. Probabilistic time for completion of any activity can be found out from (A) Optimistic time (B) Pessimistic time (C) Most likely time (D) All of these 19. The type of tool used on lathe, shaper and planer is (A) Single point cutting tool (B) Two point cutting tool (C) Three point cutting tool (D) Multipoint cutting tool 20. Buffing wheels are made of (A) Softer metals (B) Cotton fabric (C) Carbon (D) Graphite Submit Test Next Quiz Tests: Set 01 Set 02 Set 03 Set 04 Set 05 Set 06 Set 07 Set 08 Set 09 Set 10 Set 11 Set 12 Set 13 Set 14 Set 15 Set 16 Set 17 Set 18 Set 19 Set 20 Set 21 Set 22 Set 23 Set 24 Set 25 Set 26
