Related Mcqs:

1. Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?

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

2. Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost________________?

   A. Only
   B. Plus variable cost
   C. Plus overhead cost
   D. Plus selling expenses

3. Rankine cycle comprises of two isothermal and two ___________________ processes?

   A. Isobaric
   B. Polytropic
   C. Isentropic
   D. None of these

4. Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of__________________?

   A. 1 : 1
   B. 1 : 2
   C. 2 : 1
   D. 1 : 4

5. Milk is fat dispersed in water. It is an example of__________________?

   A. Suspension
   B. Emulsion
   C. Gel
   D. Solution

6. Dies for wire drawing are generally made of__________________?

   A. Mild steel
   B. Stainless steel
   C. Carbides
   D. High carbon steel

7. If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?

   A. 23
   B. 23/2
   C. 25/2
   D. 21/3

8. Hardening of steel is not possible, unless it is heated _________________ critical point ?

   A. Above the highest
   B. Above the lowest
   C. Between the first & second
   D. Between the second & third

9. In the diving apparatus, helium is used along with oxygen, because it is ____________________?

   A. Easily available
   B. Not soluble in blood at high pressure
   C. Lighter than nitrogen
   D. Completely miscible with oxygen

10. The trace metal present in insulin is____________________?

    A. Cu
    B. Zn
    C. Fe
    D. Ni