Engineering Sciences
2025 · Paper 1
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Complete GATE XE 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 175. Imported answers require review unless explicitly marked reviewed.
Question 43
Open questionXE-BNAT2 marksNeeds review
An oil of density 870 kg/m
and viscosity 0.036 Pa.s flows through a straight pipe of 10 cm diameter and 1.5 km length at the flow rate of 250 liters per minute under the steady and incompressible flow conditions. To control the flow rate of oil, a valve is fixed at the middle of the pipe causing no change in the total length of the pipe. The total head loss measured across the two ends of the pipe is 11.60 m. Using gravitational acceleration as 10 m/s
, the minor head loss contributed by the presence of the valve in m (rounded off to 2 decimal places) is ________Log in to check the answer
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Open questionXE-CMCQ1 markNeeds review
The figure below shows a plane PQR in a unit cell. The Miller indices of the plane PQR is
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Open questionXE-CMCQ1 markNeeds review
The unit of measurement for magnetic dipole moment of a body is
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