Q.no 11. A knuckle joint is used to transmit
A : axial tensile force only
B : axial tensile or compressive force
C : axial compressive force only
D : combined bending and torsional moment
Q.no 12. Universal coupling is a type of __
A : Flexible coupling
B : Rigid coupling
C : Both a. and b
D : None of the above
Q.no 13. While designing screw threads, adequate length of engaged threads between the
screw and nut is provided so as to prevent failure of threads due to
A : direct shear stress
B : torsional shear stress
C : tensile stress
D : compressive stress
Q.no 14. Which of the following materials has maximum ductility
A : grey cast iron
B : mild steel
C : alloy steel
D : high carbon steel
Q.no 15. When mechanical component is subjected to fluctuating loads, it fails at the stress
which is
A : lower than ultimate tensile strength
B : higher than ultimate tensile strength
C : equal to ultimate tensile strength
D : any value of ultimate tensile strength
Q.no 16. In a steam engine, the valve rod is connected to an eccentric rod by means of
A : Cotter joint
B : Knuckle joint
C : Universal joint
D : Flange coupling
Q.no 17. Standardization deals with the characteristics of product that include
A : dimensions of machine elements
B : method of testing the product
C : composition and properties of engineering materials
D : all the three
Q.no 18. If the lateral force acting on the set screw is large and tends to displace one part with
respect to other than which point is recommended?
A : Dog Point
B : Cone Point
C : Window Point
D : Cut Point
Q.no 19. In a fusion welding process,
A : only heat is used
B : only pressure is used
C : combination of heat and pressure is used
D : none of these
Q.no 20. The fulcrum pin of lever is designed on the basis of
A : torsional moment
B : axial tensile force
C : bending moment
D : bearing pressure
Answer for Question No 11. is a
Answer for Question No 12. is a
Answer for Question No 13. is a
Answer for Question No 14. is b
Answer for Question No 15. is a
Answer for Question No 16. is b
Answer for Question No 17. is d
Answer for Question No 18. is a
Answer for Question No 19. is a
Answer for Question No 20. is d
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