Related Questions

A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?
A 3
B 9
C 7
D 6
If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to
A Bending moment (i.e. M)
B Bending moment2 (i.e. M2)
C Bending moment3 (i.e. M3)
D Bending moment4 (i.e. M4)
Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,
A Both beams are equally economical
B Square beam is more economical
C Circular beam is more economical
D None of these
The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)
A 0.423 D
B 0.577 D
C 0.223 D
D 0.707 D
The rectangular beam 'A' has length ‘l’, width ‘b’ and depth ‘d’. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be _________ as compared to beam ‘A’.
A Same
B Double
C Four times
D Six times
The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
A Same
B One-half
C One-fourth
D One-eighth
The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be __________ as compared to beam A.
A Same
B Double
C Four times
D Six times
In what ratio must a mixture of 11% sugar strength be mixed with that of 25% sugar strength so as to get a new mixture of 13% sugar strength?
A 5:1
B 6:1
C 7:2
D 10:3
For beams breadth is constant,
A Depth $${\text{d}} \propto {\text{M}}$$
B Depth $${\text{d}} \propto \sqrt {\text{M}} $$
C Depth $${\text{d}} \propto 3\sqrt {\text{M}} $$
D Depth $${\text{d}} \propto \frac{1}{{\text{M}}}$$
Machine A produces bolts at a uniform rate of 120 every 40 seconds and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously , how many seconds will it take for them to produce a total of 200 bolts.
A 22
B 25
C 28
D 32

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