Interlaced correct answers Analog NTSC video uses which kind of scanning?
Birch correct answers A wooden jewellery box is handmade with dovetailed joints. Which
kind of wood is most appropriate to use while making the box?
To about one-third correct answers A VU meter is used to monitor the audio of a student
television talk show. While announces are speaking, he signals should be adjusted to which
portion of the scale?
Ohms correct answers Which of the following is used to measure the ratio of volts to amps?
a. Degrees
b. Joules
c. Ohms
d. Watts
The exhaust fumes require adequate ventilation correct answers Students are planning to
assemble and operate a small gasoline engine. Which safety concern should have the highest
priory?
a. An open fuel tank could release sickening fumes
b. Fingers could be injured if caught in the gears
c. Spilled liquids may cause a short in the starter
d. The exhaust fumes require adequate ventilation
Hair may become caught and pulled by the machinery correct answers Students using table
mounted power tools are required to tie back long hair. What is the primary danger if this rule
is ignored?
a.Corrosive fluids spilled on hair could cause permanent damage
b. Hair may become caught and pulled by the machinery
c. Long hair presents am unprofessional appearance
d. Vision may be obscured by hair falling across eyes
Sphere correct answers A block of modelling clay should be stored in a way that minimizes
the evaporation of moisture. What shape is best suited for this purpose?
The rocket body could explode correct answers A class activity involves flying model
rockets. Which safety mishap is most likely to occur?
a. Exhaust fumes may cause fires
b. Ignition may cause electrocution
c. Noise may cause hearing tests
d. The rocket body could explode
Paint thinner correct answers Which product is likely to include a material safety data sheet?
a. computer
b. plumber
c. paint thinner
d. razor blade