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Daily Question Banks for Engineering Entrance and Board Exams
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| Qod Archive |
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| Questions |
Physics |
Multiple Choice Question with Only One Choice Correct
A cylinder of diameter exactly 1 cm at 30o C is to be inserted into a hole in a steel plate. The hole has a diameter of 0.99967 cm at 30o C. If  for steel is 1.1 x 10-5 oC-1, to what temperature must the plate be heated?
| (a) |
40 oC |
(b) |
50 oC |
| (c) |
60 oC |
(d) |
70 oC |
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Chemistry |
Multiple Choice Question
When a galvanic cell is written in a cell diagram then
| (a) |
left electrode serves as cathode |
(b) |
left electrode serves as anode |
| (c) |
reduction reaction occurs at anode |
(d) |
left electrode constitutes the positive terminal |
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Mathematics |
Multiple Choice Question
If the lines whose vector equations are r = a + tb, r = c + t'd are coplanar then
| (a) |
(a - b) . c x d = 0 |
(b) |
(a - c) . b x d = 0 |
| (c) |
(b - c) . a x d = 0 |
(d) |
(b - d) . a x c = 0 |
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