Question 1

What are the most essential hand tools?

Accepted Answer

Essential hand tools include screwdrivers, pliers, wrenches, hammers, tape measures, and utility knives. These tools cover basic repairs, adjustments, and mechanical tasks.

Question 2

What is the difference between hand tools and power tools?

Accepted Answer

Hand tools operate manually without electricity, while power tools use electric power or batteries to deliver higher speed and force.

Question 3

What is the function of a torque wrench?

Accepted Answer

A torque wrench tightens bolts to a specific torque value, ensuring they are neither too loose nor over-tightened.

Question 4

Which brand makes the most durable hand tools?

Accepted Answer

Premium brands like ELORA from Germany are known for durability due to high-quality steel and precision manufacturing.

Question 5

What tools should every technician have?

Accepted Answer

Technicians commonly need a multimeter, screwdriver set, pliers, wrench set, tape measure, utility knife, and a ratchet with sockets.

Question 6

What makes ELORA tools good?

Accepted Answer

ELORA tools are valued for German precision, high-grade chrome-vanadium steel, and long-lasting durability suitable for professional work.

Question 7

Are ELORA tools made in Germany?

Accepted Answer

Yes. ELORA has been manufacturing tools in Remscheid, Germany since 1924.

Question 8

Is ELORA a professional-grade tool brand?

Accepted Answer

Yes. ELORA is widely used by mechanics, engineers, and industrial professionals due to its high reliability.

Question 9

Are ELORA tools worth the price?

Accepted Answer

Yes. ELORA tools offer long service life, excellent accuracy, and strong resistance to wear, making them a worthwhile investment.

Question 10

What are the most popular ELORA tools?

Accepted Answer

Popular ELORA tools include socket sets, combination wrenches, screwdrivers, ratchets, and torque tools.

Question 11

What are the different types of wrenches?

Accepted Answer

Common wrench types include combination wrenches, adjustable wrenches, socket wrenches, torque wrenches, and Allen keys.

Question 12

What is the difference between a spanner and a wrench?

Accepted Answer

They are the same tool. 'Spanner' is used in the UK and Asia, while 'wrench' is the US term.

Question 13

What is a combination wrench used for?

Accepted Answer

A combination wrench is used to tighten or loosen nuts and bolts. It has an open end and a ring end for versatility.

Question 14

Why do torque wrenches need calibration?

Accepted Answer

Torque wrenches need calibration to maintain accuracy because internal components can shift with repeated use.

Question 15

How often should a torque wrench be calibrated?

Accepted Answer

Most torque wrenches should be calibrated every 12 months or after heavy use.

Question 16

What are the different types of screwdrivers?

Accepted Answer

The main screwdriver types include flathead, Phillips, Pozidriv, Torx, hex, and Robertson.

Question 17

What is the difference between Phillips and Pozidriv?

Accepted Answer

Phillips has a simple cross shape, while Pozidriv includes additional guide lines that provide better grip and reduce slippage.

Question 18

Why do screwdrivers strip screws?

Accepted Answer

Screws strip when the screwdriver is the wrong size, low quality, or used with inconsistent pressure.

Question 19

How do you choose the right screwdriver?

Accepted Answer

Choose a screwdriver that matches the screw head shape and size, and ensure it fits tightly to avoid slipping.

Question 20

What is a socket wrench used for?

Accepted Answer

A socket wrench is used to tighten or loosen nuts and bolts efficiently using a ratcheting mechanism.

Question 21

What is the difference between 1/4, 3/8, and 1/2-inch sockets?

Accepted Answer

The sizes refer to drive size: 1/4-inch is for small fasteners, 3/8-inch is for general work, and 1/2-inch is for large bolts requiring high torque.

Question 22

What is the purpose of a ratchet?

Accepted Answer

A ratchet allows you to loosen or tighten bolts without removing the tool between turns, speeding up the process.

Question 23

What are the essential power tools for home use?

Accepted Answer

Essential power tools include a drill, impact driver, angle grinder, sander, and circular saw for common home tasks.

Question 24

What is the difference between a drill and an impact driver?

Accepted Answer

A drill is used to make holes, while an impact driver delivers high torque for driving screws and bolts.

Question 25

How do I care for my power tools?

Accepted Answer

Clean dust regularly, lubricate moving parts, store tools in a dry location, and inspect batteries or cables often.

Question 26

How do you clean rusty tools?

Accepted Answer

Remove rust using vinegar or rust remover, scrub with a wire brush, then rinse and dry completely.

Question 27

What is the best way to store tools?

Accepted Answer

Store tools in a dry toolbox or cabinet and use silica gel to reduce moisture and prevent rust.

Question 28

How do I prevent my tools from rusting?

Accepted Answer

Keep tools dry, apply a thin layer of protective oil, and store them in a low-humidity environment.

Question 29

Why is regular tool maintenance important?

Accepted Answer

Regular maintenance improves tool performance, safety, and lifespan.

Metric (mm)	Imperial (inch)	Fractional
6 mm	0.236"	15/64"
7 mm	0.276"	9/32"
8 mm	0.315"	5/16"
9 mm	0.354"	23/64"
10 mm	0.394"	3/8"
11 mm	0.433"	7/16"
12 mm	0.472"	15/32"
13 mm	0.512"	1/2"
14 mm	0.551"	35/64"
15 mm	0.591"	19/32"
16 mm	0.630"	5/8"
17 mm	0.669"	43/64"
19 mm	0.748"	3/4"
22 mm	0.866"	55/64"
24 mm	0.945"	15/16"
27 mm	1.063"	1-1/16"
30 mm	1.181"	1-3/16"
32 mm	1.260"	1-1/4"

YEW AIK Convex Mirror Indoor Polycarbonate (YEW AIK Tools)