Related Questions

The commonly used material for shielding is
A Lead or concrete
B Lead and tin
C Graphite or cadmium
D Thick galvanized sheets
The commonly used material for shielding or screening magnetism is
A copper
B aluminium
C soft iron
D brass
What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
A Argon H2
B Argon CO2
C Argon Helium
D Helium
(i)Participation involves more than the formal sharing of decisions. (ii)through anticipation , individuals . or organizations consider trends and make plans , shielding institutions from trauma of learning by shock. (iii) Innovative learning involves both anticipation and participation . (iv) It is an attitude characterized by cooperation. dialogue and empathy.
A (ii) + (iii) + (i) + (iv)
B (i) + (ii) + (iv) + (iii)
C (iv) + (i) + (iii) + (ii)
D (iii) + (ii) + (i) + (iv)
The main interest of shielding in nuclear reactor is protection against
A X-rays
B Infrared rays
C Neutrons and gamma rays
D Electrons
The thickness of metallic shielding on cables is usually
A 0.04 mm
B 0.2 to 0.4 mm
C 3 to 5 mm
D 40 to 60 mm
The instruction state that Sumi may need 4/9 square yards of one type of material and 2/3 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 8/18 square yards left that she did not use. What is the total amount of square yards of material Sumi used?
A 1/12
B 1/9
C 2/3
D 10/9
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.
A Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology
B Ethernet, because it is cabled using fiber-optic cable
C Token-Ring, because it uses a MAU
D Ethernet, because it can be set up with most topologies and can use multiple transfer speeds
E Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies
The most commonly used semiconductor material is
A Silicon
B Germanium
C Mixture of silicon and germanium
D None of the above
This material is used in masonry construction, most commonly for ornamental facing:
A Face brick
B Clay tile
C Natural stone
D Aggregate

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