DRILLING - Practice Mode

1) Which ore is used to extract zinc?

Bauxite Galena Calamine Cassiterite

Correct Answer: Calamine

2) Which tool is used to check the internal clearance of the bearing?

Steel rule Feeler gauge Depth gauge Vernier caliper

Correct Answer: Feeler gauge

3) What is the angle of ACME thread ?

66 Degree 55 Degree 29 Degree 45 Degree

Correct Answer: 29 Degree

4) What is the advantage of centre screw in die stock?

To tighten the die To adjust the depth of cut To adjust the dia of internal thread To adjust the dia of external thread

Correct Answer: To adjust the depth of cut

Explanation:

Network Layer (Layer 3) :

The network layer works for the transmission of data from one host to the other located in different networks. It also takes care of packet routing i.e. selection of the shortest path to transmit the packet, from the number of routes available. The sender & receiver’s IP addresses are placed in the header by the network layer.
The functions of the Network layer are :

Routing: The network layer protocols determine which route is suitable from source to destination. This function of the network layer is known as routing.
Logical Addressing: In order to identify each device on internetwork uniquely, the network layer defines an addressing scheme. The sender & receiver’s IP addresses are placed in the header by the network layer. Such an address distinguishes each device uniquely and universally.

5) Which term describes the axial movement of screw in one complete turn?

Lead Flank Pitch Depth

Correct Answer: Lead

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