Related Questions

Presence of dissolved impurities of __________ is responsible for the red brownish color of water.
A Carbonates
B Bi-carbonates
C Iron & manganese
D Arsenic
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If Z is open, which of the following must be true?
A S is open
B T is open
C U is open
D y is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If R is closed and U is open, which of the following must be true?
A S is open
B T is open
C T is closed
D Y is closed
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If the maximum number of valves that can be closed at the same time are closed which of the following must true?
A R is open
B S is open
C T is open
D Z is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. Which of the following, if given to the mixing vat operator as an instruction, would not determine the setting of any other valve ?
A S must be open
B T must be open
C U must be open
Mr. Mamun bought 73 rolls of film. He can take 24 pictures with each roll of film. What is the total number of pictures he can take with 73 rolls of film ?
A 1,642
B 1,652
C 1,742
D 1,752
Which film has been awarded with best Environment film in 64th National film awards?
A Kassav
B Dashkriya
C Ventilator
D The tiger who crossed the line
When an iron nail gets rusted, iron oxide is formed
A Without any change in the weight of the nail
B With decrease in the weight of the nail
C With increase in the weight of the nail
D Without any change in colour or weight of the nail
If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?
A green
B black
C red
D yellow
I don't like horror film and ____you? I cannot sleep after seen film I like fantastic film_______ I have got some at home
A yes do/I don't like them
B no don't /I like it
C neither doI/ so do I
D so do I / Neither do I

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