ICSE Class 10 Machines — Mock Test (2027)

Free online mock test for Machines (ICSE Class 10 Physics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.Increase in velocity ratio and mechanical advantage being constant would ………… the efficiency.
   • A.increase
   • B.decrease
   • C.not affect
   • D.none of these.
2. 2.In even number of pulleys the string starts from the hook of block.
   • A.lower
   • B.upper
   • C.both the
   • D.none of these
3. 3.The pulley system shown in the figure is used to raise a 650 kg load. What is the mechanical advantage if the efficiency is 75%?
   • A.2.50
   • B.3.00
   • C.3.75
   • D.5.00
4. 4.Why do scissors designed for cutting cloth often have blades longer than the handles, whereas shears used for cutting metals typically have short blades and long handles?
   • A.Cloth scissors require a mechanical advantage greater than 1 to cut efficiently, while metal shears require a mechanical advantage less than 1.
   • B.Cloth scissors prioritize speed (mechanical advantage less than 1), while metal shears prioritize force (mechanical advantage greater than 1).
   • C.Longer blades in cloth scissors reduce friction, while longer handles in metal shears increase blade sharpness.
   • D.Cloth scissors are designed for precision, while metal shears are optimized for blade durability and material thickness.
5. 5.Which of the following correctly defines the efficiency (η) of a machine?
   • A.η = Work input / Work output
   • B.η = Work output / Work input
   • C.η = Load / Effort force
   • D.η = Effort force * Load