Related Questions

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.
Painter : Brush :: ?: ?
A Magistrate : Police
B Crime : Lawyer
C Carpenter : Saw
D Cloth : Scissors
BRUSH:LEASH
A Belt: Buckle
B Cow:Tether
C Bird:Cage
D Bicycle:Chain
Before talking such a test, one had better brush up on his/her vocabulary.Choose the closest meaning of the underline phrase-
A outline
B translate
C revise
D review
Choose the option that best expresses the word brush up?
A reject`
B remove by sweeping
C improves one's previous knoweldge
D pay no attention
The hair of shaving brush clings together when removed from water due to
A Surface tension
B Viscosity
C Elasticity
D Friction
Due to which of the following factors the brush wear rate is altered?
A Speed of the machine
B Contact pressure
C Surface conditions of brush and commutator
D All of the above
In D.C. generators, the cause of rapid brush wear may be
A Severe sparking
B Rough commutator surface
C Imperfect contact
D Any of the above
In a universal motor, the most common cause of brush sparking is
A open armature winding
B shorted armature winding
C shorted field winding?
D high commutator mica
E all of the above
In a D.C. machine the number of brush arms is _____ the number of poles.
A less than
B equal to
C greater than
D none of the above

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