A:-100 w lamp
B:-20 w fluorescent tube
C:-CCFL
D:-Electric arc lamp
Correct Answer:- Option-C
Question76:-The contract ratio for the LED TV is defined as
A:-The difference biw bright and dark portions
B:-The difference bw most bright and most dark portions
C:-The most bright portion divided by most dark portions
D:-The most bright portion into most dark portion
Correct Answer:- Option-B
Question77:-LCD/LED display panel are usually made in
A:-1 em to 100 em
8:-2.5 cm to 125 cm
C:-3 em to 300 cm
D:-6 cm to 160 cm
Correct Answer:- Option-D
Question78:-semi automatic washing machine consist of 2 tubs one is wash tub and the 007೧೯15
A:-Spin tub
B:-Agitator tub
C:-Pulsator tub
D:-Cleaning tub
Correct Answer:- Option-A
Question79:-Generally the HP of motor used in a washing machine is
A:-0.11t0 0.15 HP
B:-0.3 to 0.5 HP
C:-1.0 to 3.0 HP
D:-1.5 to 3.5 HP
Correct Answer:- Option-B
QuestionB0:-A microwave oven works on ____ frequency
A:-1.45GHz
B:-2.45GHz
C:-3.45GHz
0:-1.5 - 3.5GHz
Correct Answer:- Option-B
Question81:-A vacuum cleaner cleans carpets etc on the principle of
കഃ
B:-Suction
C:-Dispersion
D:-Absorption
Correct Answer:- Option-B
QuestionB2:-A vacuum cleaner does not run but gives buzzing sound when the defect lies in ‏كاز‎
‎A:-Main fuse
B:-Socket
C:-Armature winding
D:-Capacitor
Correct Answer:- Option-C
Question83:-A mixer grinder grinds 1006 grains by employing
A:-2 grinding stones
B:-High speed spinning blade
C:-Low speed spinning blade
D:-Crushing blade
Correct Answer:- Option-B
Question84:-The testing of a mixer grinderis ೧೩॥೧0 -___
A:-Inching
B:-Plugging
C:-Loading
D:-Mixing
Correct Answer:- Option-A