Shrinkage allowance on pattern is provided to compensate for shrinkage when the _____________________?

Related Mcqs:

1. The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the _______________ allowance ?

   A. Casting
   B. Pattern
   C. Draft
   D. Distortion

2. Baffles provided on the shell side of a shell and tube heat exchanger are meant for _____________________?

   A. Providing support for the tubes
   B. Improving heat transfer
   C. Both A & B
   D. Preventing the fouling of tubes & stagnation of shell side fluid

3. Sand used to stop the green sand from sticking to the pattern is termed as the ______________ sand?

   A. Parting
   B. Synthetic
   C. Loam
   D. Dry

4. Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?

   A. Parallel flow with equal heat capacities
   B. Counter flow with equal heat capacities
   C. Counter flow with unequal heat capacities
   D. Parallel flow with unequal heat capacities

5. Cementite is in the lamellar form in the _____________________ phase of steel ?

   A. Martenistic
   B. Bainitic
   C. Pearlitic
   D. Ferritic

6. For separating small pieces of metal from engine oil of a car, the best separating technique is the _____________________ ?

   A. Chromatography
   B. Evaporation
   C. Filtration
   D. Fractional distillation

7. To improve the machinability of steel, it is generally subjected to _____________________?

   A. Spheroidising
   B. Tempering
   C. Normalising
   D. Annealing

8. Addition of _____________________ to steel does not impart hardness?

   A. Nickel
   B. Copper
   C. Chromium
   D. Silicon

9. Fatigue resistance of a material is measured by the _____________________?

   A. Elastic limit
   B. Ultimate tensile strength
   C. Young’s modulus
   D. Endurance limit

10. _____________________ of austenite decreases the hardenability in steel ?

    A. Fine grains
    B. Coarse grains
    C. Homogeneity
    D. Dissolved elements (except cobalt)