Engineering Sciences
2026 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XE 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 160–162 of 197. Imported answers require review unless explicitly marked reviewed.
Question 160
Open questionXE-HNAT1 markNeeds review
If 20 wave crests pass a fixed point in an interval of 5 minutes, then the frequency of the wave (in Hertz) is ______. (rounded off to three decimal places)
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 161
Open questionXE-HNAT1 markNeeds review
The required magnitude of heat transfer to reduce the temperature of 10 kg of dry air by 5 °C is __________ kilo Joules. (rounded off to one decimal place)
[Specific heat capacity of dry air is
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 162
Open questionXE-HNAT2 marksNeeds review
The mass (in kg) of dry air in a room, measuring 10 m × 7 m × 3 m, is _____. (rounded off to two decimal places)
[Density of dry air is
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer