Related Questions

A simple spring-mass vibrating system has a natural frequency of $${{\text{f}}_{\text{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
A $$\frac{{{{\text{f}}_{\text{n}}}}}{2}$$
B $$2{{\text{f}}_{\text{n}}}$$
C $$4{{\text{f}}_{\text{n}}}$$
D $$8{{\text{f}}_{\text{n}}}$$
A rectangular swimming pool is 15 meter long and 30 meter wide. A deck, with uniform width, surrounds the pool. If the total area of the pool and deck is 1050 square meter what is the width of the deck in meter?
A 6
B 7.5
C 10
D 5
Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of
A Electromagnets
B Cams or eccentric shafts
C Unblanced fly wheels
D Either A, B or C
A 40-meter long rope is cut into two unequal pieces. If one piece is 18 meter longer than the other, what is the length ( in meter ) of the shorter piece ?
A 10
B 11
C 18
D None of these
A garden of 100 meter length and 60 meter width has a walkway of 2 meter width on every side . What is the area of the garden, in square meters , excluding the walkway ?
A 5684
B 6000
C 624
D 5376
A 6 meter long pole casts 15 meter long shadow. Find the length of second pole if its shadow is 25 meter.
A 10 meter
B 12.5 meter
C 25 meter
D 62.5 meter
A 55 meter long train passes a 220 meter long railway station in 10 seconds. How many seconds will it take to pass another train 110 meter long?
A 6 sec
B 2.5
C 4
D 3.5
A three of height 4 meter casts a show of length 6.5 meter what is the height of a house casting a show 26 meter long?
A 14 meter
B 17 meter
C 15 meter
D 16 meter
ABCD is a rectangle . If its lengthis decreased by 5 meter and the width is increased by 3 mete3r, the area de3creases by 2 meter, the area inceases by 67 square meter, What is the width width of ABCD?
A 9 meter
B 17 meter
C 18 meter
D 22 meter
A garden of 100 meter length and 60 meter width has a walkway of 2 meter width on every side. What is the area of the garden, in square meters, excluding the walking?
A 5376
B 5576
C 2556
D 7874

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