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Mechanical Behaviour Testing Materials
1000 Machine Design
Quiz 2
Solution
Q.1.
Which of the following is not a type of welding joint?
a) Lap joint
b) Butt joint
c) Tee joint
d) Single strap joint
Q.2.
Which of the following is the function of rebound clips in a multi-leaf spring?
a) Helps to share the load from master leaf to graduated leaves
b) Hold all the leaves of the spring
c) Engage the bolts to clamp the leaves
d) Attach a member or component to
Q.3.
In which of the following type of lever the effort is located between the load and fulcrum?
a) First type
b) Second type
c) Third type
d) Fourth type
Q.4.
Which of the following is not the cause of stress concentration?
a) Abrupt changes in cross-section
b) Discontinuity in the component
c) Machining scratches
d) Point load applied on the component
Q.5.
Which of the following straight-line joins endurance limit(Se) on the stress amplitude axis and yield strength (Syt) on the mean stress axis?
a) Soderberg line
b) Modified goodman line
c) Gerber line
d) Goodman line
Q.6.
Which of the following shaft are the integrals or equally spaced lines made on a shaft?
a) Stepped shaft
b) Spline shaft
c) Cam shaft
d) Crankshaft
Q.7.
Which of the following is not the method to reduce stress concentration?
a) Usage of additional notches and holes
b) Usage of fillet radius
c) Usage of additional discontinuities
d) Usage of sharp corners
Q.8.
Which of the following is not a type of sunk key?
a) Gib headed key
b) Woodruff key
c) Square key
d) Hollow saddle key
Q.9.
Which of the following is not the function of a spring?
a) They are used for the measurement of force and to control motion
b) They are used to absorb shocks and vibrations
c) They are used to store energy
d) They are used to measure displacement
Q.10.
Which of the following materials are subjected to the most severe stress concentration?
a) Ductile materials under fluctuating load
b) Brittle materials under static and fluctuating load
c) Brittle materials under fluctuating load
d) Ductile materials under static load
Q.11.
Which of the following is not true for a good coupling?
a) It should be capable for transmitting power from one shaft to another
b) It should keep shafts in proper alignment
c) It should be easy to assemble and disassemble for repair and maintenance
d) If there is small misalignment between the shafts, the coupling cannot transmit power
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