Mechanical Engineering Objective Type Question And Answers | Objective...
1. Which is false statement about case hardening? Case hardening is done by a. Electroplating b. Cyaniding c. Induction hardening d. Nitriding e. Flame hardening Answer: Electroplating 2. Gun metal...
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1. The purpose of jigs and fixtures are to a. Increased production rate b. Increased machining accuracy c. Facilitate interchangeable manufacturing d. Enable employ less skilled operators e. All of...
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1. Pick up the wrong statement? A refrigent should have a. Low specific heat of liquid b. High boiling point c. High latent heat of vaporization d. Higher critical temperature e. Low specific volume...
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1. Seamless rings are made by the process a) Super-plastic forming b) Mandrel forging c) Ring rolling d) Diffusion bonding Ans.: c) Ring rolling 2. Internal defects in material is detected by a)...
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1. Draft on pattern means b) Allowance for machining c) Locating pad d) Compensate for stripping e) Compensation for shrinkage Ans.: d) Compensate for stripping 2. Slag inclusion in the casting is a...
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1. Normalizing operation is carried out in a) Water b) Oil c) Air d) Furnace Ans.: c) Air 2. The main purpose of heat treatment of steels is to change the a) Chemical composition b) Mechanical...
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(1) Pitot tube is used for measurement of (a) Pressure (b) Temperature (c) Discharge (d) Velocity Ans.: (d) Velocity (2) Slow plastic deformation of material under constant stress is (a) Creep (b)...
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1. What is the difference between Pipe and Tube? Ex. Iron Pipe, Carbon Tube, Steel Tube etc. · Tube is defined by Outer diameter and Wall thickness (OD and WT). While Pipe is defined by Inner diameter...
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1. Why are Head Gaskets blown? Normally head gasket blows, when the engine overheats and they can also blow from incorrect installation or poor design. Head gaskets expand and contract according to...
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1. A hollow shaft of same cross-section area as solid shaft transmits A. Same torque B. Less torque C. More torque D. Unpredictable Answer: B. Less torque 2. In a cantilever beam, maximum deflection...
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