The valve rod in a steam engine is connected to an eccentric rod by_________________?

Related Mcqs:

1. The strap end of a connecting rod of steam engine is joined by_________________?

   A. gib of cotter joint
   B. sleeve and cotter joint
   C. spigot socket cotter joint
   D. knuckle joint
   E. universal coupling

2. The piston rod of a steam engine is usually connected to the cross head by means of__________________?

   A. bolted joint
   B. kunckle joint
   C. cotter joint
   D. universal joint
   E. universal coupling

3. If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation_______________?

   A. 102 d
   B. 124 d
   C. 138 d
   D. 151 d
   E. 168 d

4. The connecting rod bolts are tightened up so that tightening stress _________________?

   A. is just sufficient to hold parts together
   B. approaches yield point
   C. is 50% of yield point
   D. is about yield point divided by safety factor
   E. none of the above

5. The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?

   A. joint may not open up
   B. bolts are weakest elements
   C. the resultant load on the bolt would not be affected by the external cyclic load
   D. bolts will not loosen during service
   E. none of the above

6. In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by_________________?

   A. decreasing the cross-section area of’ bar
   B. increasing the cross-section area of bar
   C. remain unaffected with cross-section area
   D. would depend upon other factors
   E. none of the above

7. Aircraft body is usually fabricated by_________________?

   A. welding
   B. precasting
   C. rivetting
   D. casting
   E. unconventional methods

8. The following type of nut is used with alien bolt____________________?

   A. alien nut
   B. hexagonal nut
   C. slotted nut
   D. castle nut
   E. any one of the above

9. Oil in journal bearing should be applied at the point where load is________________?

   A. nil or lightest
   B. maximum
   C. average
   D. any one of the above
   E. unpredictable

10. A backing ring is used inside the pipe joint when making a___________________?

    A. butt weld
    B. fillet weld
    C. sleeve weld
    D. socket weld
    E. tube weld