Question

What is the purpose of a shear section of the driveshaft in a dual element constant displacement pump?

a) To regulate fuel flow
b) To absorb torque spikes
c) To control exhaust emissions
d) To enhance aerodynamic efficiency

Answer 1

The shear section of the driveshaft in a dual element constant displacement pump is there to absorb torque spikes, functioning as a safety feature to prevent damage to the system.

Step-by-step explanation:

The purpose of a shear section of the driveshaft in a dual element constant displacement pump is to absorb torque spikes. This mechanical feature acts as a safety mechanism designed to fail or shear off in the event of excessive torque being applied, which protects other components of the system from being damaged. In more everyday terms, it's like a mechanical fuse that 'breaks' temporarily to prevent further damage to the system.

In this particular context, neither increasing nor decreasing current or resistance during transmission is the function of the shear section. The shear section is not concerned with regulating fuel flow, controlling exhaust emissions, or enhancing aerodynamic efficiency. Instead, it is there specifically to handle unexpected mechanical stress, protecting the system.