-- card: 52746 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 2707
-- name: #191
----- HyperTalk script -----
on openCard
  global group,rightone
  put 15 into group
  put "B" into rightone
  pass openCard
end openCard



-- part contents for background part 20
----- text -----
Question #15

-- part contents for background part 1
----- text -----
2D-4.1 What precautions should you take when working with 1270-MHz waveguide?

-- part contents for background part 11
----- text -----
Make sure that the RF leakage filters are installed at both ends of the waveguide.

-- part contents for background part 27
----- text -----
Never look into the open end of a waveguide when RF is applied.

-- part contents for background part 28
----- text -----
Minimize the standing-wave ratio before you test the waveguide.

-- part contents for background part 29
----- text -----
Never have both ends of the waveguide open at once when RF is applied.

-- part contents for background part 43
----- text -----
Correct answer is B