Related Questions

When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called
A Surf
B Clapotis
C Fetch
D Swell
A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?
A 6.2 m
B 6.5 m
C 6.8 m
D \7.5 m
If H is the height of the wave expected, then the height of the breakwater is generally taken as
A 1.2 H to 1.25 H above the datum
B 1.2 H to 1.25 H above the low water level
C 1.2 H to 1.25 H above the high water level
D 1.2 H to 1.25 H above the mean sea level
"Khodai Pahar Mound"" is located in-
A Mahastangarh
B Paharpur
C Mainamati
D Sonargaon
Many people believed that spices help preserve food, however many marketed spices are ---- bacteria, mound and yeast.
A devoid of
B teem with
C improved by
D destroyed by
The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called
A A heap
B Plateau
C Windrow
D None of these
What is the name of the sand mound formed by high speed of wind?
A Cliff
B Cirque
C Dune
D Hamada
A painter has painted one-third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quarters of the job. What is the length (the horizontal dimension) of the wall?
A 18 feet
B 12 feet
C 10 feet
D 9 feet
A painter has painted 1/3 of a rectangular wall that is 12 feet high. When he will paint another 50 square feet of the wall he will have finished 50% of the job. What is the length of the wall?
A 25
B 50
C 15
D 20
A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is
A 0.25
B 0.50
C 0.75
D 1.0

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