Related Questions

A manufacturer of TV wants to make a profit of Tk. 300,000 on sale of 200 TV sets. It costs Tk. 10,000 each to make the first 100 TV sets and Tk. 7,500 each to make TV sets after the first 100 sets. What should be the selling price of each TV sets in Taka?
A 10,250
B 10,350
C 10,500
D 10,600
A manufacturer of TV wants to make a profit of Tk. 3,00,000 on sale of 200 TV sets. It costs Tk. 10000 to make each of the first 100 TV sets and Tk. 7500 make each TV set after the first 100 sets. What should be the selling price of each TV set?
A 10,250
B 10,350
C 10,500
D 10,550
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
A Low cost
B Wide speed range
C Stability
D High starting torque
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.
Which of the following motors is usually used in household refrigerators?
A D.C. shunt motor
B D.C. series motor
C Single phase induction motor (split phase start or induction run motor)
D Reluctance motor
Which of the following motors is usually preferred for kiln drives?
A Cascade controlled A.C. motor
B Slip ring induction motor
C Three phase shunt wound commutator motor
D Any of the above
In squirrel cage induction motors, the rotor slots are usually given slight skew in order to
A Reduce windage losses
B Reduce eddy currents
C Reduce accumulation of dirt and dust
D Reduce magnetic hum
DOL starting of induction motors is usually restricted to
A Low horsepower motors
B Variable speed motors
C High horsepower motors
D High speed motors
Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity?
A Swinburne's test
B Hopkinson's test
C Field test
D Brake test
In a certain fashion house, which has four sizes of a specific shirt, there is one-third as many small shirts as medium shirts, and 1/2 as many large shirts as small shirts. If there are as many X-large shirts as large shirts, what percent of the shirts in the store are medium?
A 30%
B 40%
C 50%
D 60%

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