Related Questions

Heavy water is used as a moderator in a nuclear reactor. The function of the moderator is
A to control the energy released in the reactor
B to absorb neutrons and stop the chain reaction
C to cool the reactor
D to slow down the neutrons to thermal energy
when demand for factory's products is high . more money is spent at the factory for safety precautions and machinery maintenance than when demand is low. thus the average number of on -the-job accidents per employee each month should be lower during perids when demand is high than when demand is low and less money is available for safety precautions and machinery maintenance .when demand for its products is high, casts the most serious doubt on the conclusion drawn above?
A Employees demand for higher wages than they do at other times.
B Authority hires new workers but lacks the time to rain them properly.
C Employees are less likely to lose their jobs than are at other times.
D Authority sponsors a monthly safety award for each division in the factory.
When demand for a factory's products is high, more money is spent at the factory for safety precautions and machinery maintenance than demand is low. Thus the average number of on-the-job accidents per employee each month should be bower during periods when demand is high than when demand is low and less money is available for safety precautions and machinery maintenance. Which of the following,if true about a factory when demand for its product is high casts the most serious doubt on the conclusion drawn above?
A Its employees ask for higher wages than they do at other times.
B Its management hires new workers but lacks the time to train them properly.
C Its employees are less likely to lose their jobs than they are at other times.
D Its management sponsors a monthly safety award for each division in the factory.
একটি গাড়ি স্থির অবস্থা (P বিন্দু) হতে সোজা রাস্তায় যাত্রা শুরু করল। কিছু সময় পরে গাড়িটি মন্দনের ফলে থেমে গেল এবং একই ভাবে (প্রথমে গতি বাড়িয়ে এবং পরে গতি কমিয়ে) আবার যাত্রা শুরু করে P বিন্দুতে ফিরে আসলো। নীচেরকোন লেখচিত্রটি গাড়ির গতিকে প্রকাশ করে? (A car accelerates from rest (point P) on a straight road. A short time later, the car decelerates to a stop and then returns to its original position (point P) in a similar manner, by speeding up and then slowing to a stop. Which of the following four displacements versus time graphs best describes the motion?)
একটি গাড়ি স্থির অবস্থা (P বিন্দু) হতে সোজা রাস্তায় যাত্রা শুরু করল। কিছু সময় পরে গাড়িটি মন্দনের ফলে থেমে গেল এবং একই ভাবে (প্রথমে গতি বাড়িয়ে এবং পরে গতি কমিয়ে) আবার যাত্রা শুরু করে P বিন্দুতে ফিরে আসলো। নীচের কোন লেখচিত্রটি গাড়ির গতিকে প্রকাশ করে? (A car accelerates from rest (point P) on a straight road. A short time later, the car decelerates to a stop and then returns to its original position (point P) in a similar manner, by speeding up and then slowing to a stop. Which of the following four displacements versus time graphs best describes the motion?)
Which of the following reactors is operated at high neutron flux and low power level?
A Breeder reactor
B Research reactor
C Heterogeneous reactor
D Liquid metal (e.g., molten sodium) cooled reactor
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. How many meters of low-quality cloth is consumed?
A 40,00 m
B 60,000 m
C 46,500 m
D 22,500 m
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of low quality dye used for C-type shirts to that used for D-type shirts ?
A 2:3
B 1:2
C 2:1
D 3:2
With an RS latch a high S and low R sets the output to _____ ; a low S and a high R _____ the output to low.
A No change, set
B Race, high
C high, reset
D set, reset
E None of the above
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. How many metres of high quality cloth is consumed by A-type shirts?
A 30,00 m
B 24,00 m
C 112,000 m
D 8,00 m

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