What is the difference between clutch and coupling ?
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Why manholes in vessel are elliptical in shape?
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What is the difference between hard water and soft water ?
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What should be done to prevent a safety valve to stick to its seat ?
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What is standardization ? Give its four advantages.
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What do you understand by the term proof stress ? What is the value of strain for 0.2% proof stress
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Why boiler is purged every tine before starting firing of fuel?
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What is the principle of mechanical refrigeration ?
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What do you understand by timid cylinder lubrication ?
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Why high latent heat of vaporization is desirable in refrigerant ?
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What is critical temperature of refrigerant ?
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What is the function of thermostat in cooling system of an engine ?
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What is Couette flow ?
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What is meant by critical radius of insulation?
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Why large boilers are water tube type ?
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What is pitting? How it is caused ?
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What do you understand by shape factor in multi dimensional steady state conduction.
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Which physical properties affect the film coefficient ?How film coefficient are correlated
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What is meant by quality of steam?
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List the type of driving mechanism used in slotter for driving the ram
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Difference between gear hobbing and gear shaping. with reference to various relative motions and applications
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What do you mean by drill sleeve and drill socket ?
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What is the function of core in sand mould?
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Give reason for hot crack in weld metal
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Why uniform ramming is considered desirable in green sand moulding process
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