Related Questions

The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
A Sum
B Difference
C Product
D Ratio
Gold is 19 times as heavy as water and Copper is 9 times as heavy as water. Calculate the ratio in which these two metals should be mixed so that the mixture is 15 times as heavy as water.
A 40
B 41
C 42
D 43
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
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
A small factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines?
A 1.333
B 4.333
C 6
D 13
A factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines?
A 1.333
B 4.333
C 6
D 13
If 18 identical machines required 40 days to complete a job, how many fewer days would have been required to do the job if 6 additional machines of the same type had been used from the beginning?
A 10
B 13.33
C 16
D 26.66
If it takes 4 days for 3 machines to do a certain job, it will take two machines to do the same job in -
A 6 days
B 4 days
C 5 days
D 2 days
Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
A 648
B 1800
C 2700
D None of these
Running at the same constant rate 6 identical machines can produce a total of 270 bottles per minute . At this rate, how many bottles could 10 such machines produce in 4 minutes?
A 1800
B 648
C 2700
D 10800

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