Pneumatic cranes are used where Materials Handling Mcqs January 22, 2020 BILAL KHATTAK0 A.electricity could be hazardous B.advantage could be taken of existing air supply C.either of (A) or (B) aboveRelated Mcqs:In actual machinesWhen current flows through heater coil it glows but supply wiring does not glow because __________?What is the object of sustained yield?By using large thread angles in lifting machinePillar cranes are generally used forThe work of choke is:Electric overhead travelling cranes operate onBy using large thread angles in a lifting machineIn case of hand powered cranes, the capacity is generally restricted toPneumatic tyres are not used for providing