- (A) density of metal can’t be determined
- (B) metal is twice as dense as water
- (C) metal will float in water
- (D) metal is twice as dense as unknown fluid
- (E) none of the above
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- (A) ellipse
- (B) hyperbola
- (C) parabola
- (D) circle
- (E) none of the above
- (A) nature of surfaces
- (B) area of contact
- (C) shape of the surfaces
- (D) ail of the above.
- (A) meet in a point
- (B) be all parallel
- (C) at least two of them must meet
- (D) all the above are correct
- (E) none of the above
- (A) equal to the moment of the couple
- (B) constant
- (C) both of above are correct
- (D) both of above are wrong
- (E) none of the above
- (A) same
- (B) more
- (C) less
- (D) may be less of more depending on nature of surfaces and velocity
- (E) has no correlation
- (A) more inclined when moving
- (B) less inclined when moving
- (C) more inclined when standing
- (D) less inclined when standing
- (E) none of the above
- (A) increase key length
- (B) increase key depth
- (C) increase key width
- (D) double all the dimensions
- (E) none of the above
- (A) from maximum at the center to zero at the circumference
- (B) from zero at the center to maximum at the circumference
- (C) from maximum at the center to mini-mum at the cricumference
- (D) from minimum at the centro to maxi-mum at the circumference
- (E) none of the above
- (A) 25
- (B) 50
- (C) 100
- (D) 250
- (E) 500
