A. Descaling
B. Shot blasting
C. Pickling
D. Skimming
A. Very low which prevents their ignition by compression
B. Very high which prevents their ignition by compression
C. Zero
D. None of these
A. Chimney
B. Induced draught fan
C. Forced draught fan
D. Steam jet arrangement
Which of the following is used to produce draught in the locomotive boilers ? Read More »
Chemical Engineering Basics A. Aluminium
B. Stainless steel
C. Brass
D. Copper
Which of the following materials has the least scrap value ? Read More »
Chemical Engineering Basics A. Stiffness
B. Malleability
C. Creep resistance
D. Tensile strength
Young’s modulus of a material is the measure of its ___________________? Read More »
Chemical Engineering Basics A. Surface finish
B. Fatigue limit
C. Creep limit
D. Surface cleanliness
Tumbling is the process of improving the ________________ of the materials/parts ? Read More »
Chemical Engineering Basics A. Nodulising
B. Pelletising
C. Balling
D. Briquetting
Which of the following is not categorised as the ore agglomeration process ? Read More »
Chemical Engineering Basics A. V2
B. 1/V2
C. 1/Vg
D. Vg
A. Suppress martensite transformation
B. Enhance its working performance in sub zero atmosphere
C. Reduce the retained austenite in hardened steel
D. Induce temper brittleness after its hardening
Sub zero treatment of steel is done to____________________? Read More »
Chemical Engineering Basics A. Suspended salt
B. Dissolved salt
C. Silica
D. Turbidity
The most detrimental impurity in high pressure boiler feed water is ___________________? Read More »
Chemical Engineering Basics