stalling

#19. A wing of constant thickness which is not swept back:

• Awill stall at the tip first due to the increase in spanwise flow.
• Bcould drop a wing at the stall due to the lack of any particular stall inducing characteristics.
• Cwill pitch nose down approaching the stall due to the forward movement of the centre of pressure.
• Dwill stall evenly across the span.

#23. A stick shaker is:

• Aan overspeed warning device that operates at high Mach numbers.
• Ban artificial stability device.
• Ca device to vibrate the control column to give a stall warning.
• Da device to prevent a stall by giving a pitch down.

#24. A stall warning device must be set to operate:

• Aat the stalling speed.
• Bat a speed just below the stalling speed.
• Cat a speed about 5% to 10% above the stalling speed.
• Dat a speed about 20% above the stalling speed.