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Chemical Engineering Basics

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ?

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ?

A. Butt
B. Lap
C. Welded
D. None of these

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ? Read More »

Chemical Engineering Basics

Often earing defects are found during deep drawing operation, because the __________________?

Often earing defects are found during deep drawing operation, because the __________________?

A. Surface finish of the sheet is poor
B. Sheet material has been given substantial spring back
C. Starting sheet has planer anisotropy due to its texture
D. Starting sheet has normal anisotropy due to its texture

Often earing defects are found during deep drawing operation, because the __________________? Read More »

Chemical Engineering Basics

Pick out the wrong statement about nucleate boiling ?

Pick out the wrong statement about nucleate boiling ?

A. Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface
B. Surface temperature is greater than the saturation temperature of the liquid
C. Heat transfer from the surface of the liquid is less than that in film boiling
D. The temperature is less than that of film boiling

Pick out the wrong statement about nucleate boiling ? Read More »

Chemical Engineering Basics

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam?

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam?

A. Decreases
B. Increases
C. Remain same
D. May increase or decrease

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam? Read More »

Chemical Engineering Basics

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?

A. Impact strength
B. Percent elongation
C. Hardness
D. Both B & C

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ? Read More »

Chemical Engineering Basics