Related Questions

A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
A fillet is a rounded surface on the ________ corner of a part.
A Inside
B Outside
C Radial
D Isoplane
A round is a rounded surface on the ________ corner of a part.
A Inside
B Outside
C Radial
D Isoplane
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
A microfilm
B microfiche
C film card
D COM
E None of the above
What is the sum of 134.679, -45.548 and -67.8807 rounded to the nearest tenths place?
A 21.3
B 21.2503
C 21.25
D -21.25
What is 4,463,21/10^5 rounded to the nearest whole number?
A 46
B 5
C 456
We rounded ---- the meal with sweets. The appropriate word to fill in the gap is ------.
A off
B out
C up
D down
Based on the information below, how much did a certain telephone call cost? 1. The call lasted 1 minute 27 seconds 2. The cost for the first 30 second unit is Tk. 1.80, call duration more than 30 seconds costs Tk. 0.90 per 30 second unit 3. Any call duration less than 30 seconds is rounded up to the nearest 30-second unit.
A Tk. 1.80
B Tk. 2.61
C Tk. 2.70
D Tk. 3.51
In a cam drive with uniform velocity follower, the sharp corners of the displacement diagram are rounded off at the beginning and at the end of each stroke. This is done
A Because of difficulty in manufacturing cam profile
B Because of loose contact of follower with cam surface
C In order to have acceleration in beginning and retardation at the end of stroke within the finite limits
D Because the uniform velocity motion is a partial parabolic motion

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