Related Questions

In the lever of third order, load W, effort P and fulcrum F are oriented as follows
A W between P and F
B F between W and P
C P between W and F
D W, P and F all on one side
When the fulcrum is in between the load and effort, the lever is said to be of
A First type
B Second type
C Third type
D Any one of these
In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.
A Less than
B Equal to
C More than
D None of these
During a service recovery effort, the employee was very empathetic to the customer’s plight and agreed to replace the defective product. However, it took three months for the replacement product to show up which was much later than the customer had anticipated. As a result, the recovery effort violated the customer’s ___________ justice need.
A social
B procedural
C interactional
D distributive
In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.)
A P = W tan (α - φ)
B P = W tan (α + φ)
C P = W tan (φ - α)
D P = W cos (α + φ)
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed
A 10 mm
B 15 mm
C 20 mm
D 25 mm
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)
A Is at the maximum distance from CG of the rivet group
B Is at the minimum distance from CG of the rivet group
C Gives the maximum angle between the two forces Fa and Fm
D Gives the minimum angle between the two forces Fa and Fm
Which of the following is the example of lever of first order?
A Arm of man
B Pair of scissors
C Pair of clinical tongs
D All of the above
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is
A D + d
B D - d
C D × d
D $$\frac{{\text{D}}}{{\text{d}}}$$
In a screw jack, the effort required to lift the load W is given by (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction)
A $${\text{P}} = {\text{W}}\tan \left( {\alpha - \varphi } \right)$$
B $${\text{P}} = {\text{W}}\tan \left( {\alpha + \varphi } \right)$$
C $${\text{P}} = {\text{W}}\tan \left( {\varphi - \alpha } \right)$$
D $${\text{P}} = {\text{W}}\cos \left( {\alpha + \varphi } \right)$$

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