Related Questions

Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
A Absolute instruments
B Indicating instruments
C Recording instruments
D Integrating instruments
India's latitudinal and longitudinal extent measured in degrees are almost the same, but its north-south extent measured in km is greater than its east-west extent. This is due to the fact that
A Longitudes are not parallel lines
B The distance between latitudes remains the same but the distance between longitudes is greatest at the Equator and nil at the poles where all longitudes join
C All longitudes with their opposites form great circles
D The earth is not a perfect sphere
একজন ছাত্র পরীক্ষাগারে অভিকর্ষজ ত্বরণের মান 9.88 m/sec2 নির্ণয় করন। অপর দিকে যখন সে 0.01 kg ভরের কোনো বাটখারাকে স্প্রিং নিক্তিতে ঝুলিয়ে দিল তখন 0.0980 N বল দেখাচ্ছে। তার পরীক্ষা অভিকর্ষজ ত্বরণের ত্রুটি নির্ণয় কর।(A student measured the value of acceleration due to gravity in the laboratory as 9.88 m/sec2. On the other hand, when he hanged a mass of 0.01 kg in the spring balance, then he found 0.0980 N force. Calculate the percentage of error in the measured value of the acceleration due to gravity.)
A -0.716%
B -0.102%
C 0.816%
D 0.102%
E -0.916%
What is the name of the device used to convert alternating current into direct current ?
A Ammeter
B Galvanometer
C Rectifier
D Transformer
Direct expenses are those which can be identified with particular products. Which of the following items is a direct cost?
A The rent of the factory in which products are made
B The salaries of the production supervisor
C A royalty paid to the holder of a patent after each item is produced
D The cost of the glue used to attach labels to the products
Direction for Question : Select the right answer choice the change the form of speech from to direct to indirect or from indirect to direct. "The prisoner strongly desired that he had the wings of a dove."
A The prisoner said, "He I the wings of a dove!"
B The prisoner told, "I have the wings of a dove."
C The prisoner said in joy. "He had the wings of a dove."
D The prisoner said. "Had I the wings of a dove."
Direction for Question : Select the right answer choice the change the form of speech from to direct to indirect or from indirect to direct. "The boy said. "Could I but get that reward."
A The boy expressed a wish that he could get that reward
B The boy expressed a desire to get that reward
C The boy expressed a desire that he could only get that reward
D The boy told that he could but get that reward
Direction for Question : Select the right answer choice the change the form of speech from to direct to indirect or from indirect to direct. "He said, "Farewell, may friends."
A He said to his friends farewell
B He told to her friends farewell
C He bade farewell to his friends
D He told addressing his friends farewell
Direction for Question : Select the right answer choice the change the form of speech from to direct to indirect or from indirect to direct. "Mou said to me, "You cannot do it thus now."
A Mou told to me that I caould not do that in that way then
B Mou told me that I could not do it in that way then
C Mou told me that you could not do that so now
D Mou told me that I could not do it thus then,

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