Chemical Engineering
GATE CH kind:question PYQs
Build your understanding with focused practice from past exam papers.
Questions 641–650 of 650. Imported answers require independent review unless marked reviewed.
Question 56
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The bacteria in milk are destroyed when it __________ heated to 80 degree Celsius.
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__________ with someone else’s email account is now a very serious offence.
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Consider the following sentences:
All benches are beds. No bed is a bulb. Some bulbs are lamps.
Which of the following can be inferred?
i. Some beds are lamps.
ii. Some lamps are beds.
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If the radius of a right circular cone is increased by 50%, its volume increases by
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The following sequence of numbers is arranged in increasing order: 1, x, x, x, y, y, 9, 16, 18. Given that the mean and median are equal, and are also equal to twice the mode, the value of y is
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Open questionGAMCQ2 marksNeeds review
The old concert hall was demolished because of fears that the foundation would be affected by the construction of the new metro line in the area. Modern technology for underground metro construction tried to mitigate the impact of pressurized air pockets created by the excavation of large amounts of soil. But even with these safeguards, it was feared that the soil below the concert hall would not be stable.
From this, one can infer that
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Students applying for hostel rooms are allotted rooms in order of seniority. Students already staying in a room will move if they get a room in their preferred list. Preferences of lower ranked applicants are ignored during allocation.
Given the data below, which room will Ajit stay in?
Names | Student seniority | Current room | Room preference list |
|---|---|---|---|
Amar | 1 | P | R, S, Q |
Akbar | 2 | None | R, S |
Anthony | 3 | Q | P |
Ajit | 4 | S | Q, P, R |
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The last digit of
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Two machines M1 and M2 are able to execute any of four jobs P, Q, R and S. The machines can perform one job on one object at a time. Jobs P, Q, R and S take 30 minutes, 20 minutes, 60 minutes and 15 minutes each respectively. There are 10 objects each requiring exactly 1 job. Job P is to be performed on 2 objects, Job Q on 3 objects, Job R on 1 object and Job S on 4 objects. What is the minimum time needed to complete all the jobs?
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Open questionGAMCQ2 marksNeeds review
The bar graph below shows the output of five carpenters over one month, each of whom made different items of furniture: chairs, tables, and beds.
Consider the following statements.
i. The number of beds made by carpenter C2 is exactly the same as the number of tables made by carpenter C3.
ii. The total number of chairs made by all carpenters is less than the total number of tables.
Which one of the following is true?
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