Time Units

Q1: What is SI unit for time?

Clock
Hour
Minute
Second
Year
Good answeres: 1

Q2: Select equipment from the list that can be used for measuring time:

Manometer
Measure tape
Rotameter
Sand glass
Stopwatch
Sundial
Good answeres: 3

Q3: Select questions where the answere is time:

How old are you?
How tall are you?
How fast is your car?
How long does it take to get from Boston to LA?
Good answeres: 2

Q4: What is the official definition for second?

Time between the average human heartbeat
Falling time of object from 1 metre height
Time of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom at 0 K
Time between two ticks of mechanical Swiss clock
Good answeres: 1

Q5: Select time units:

Century
Knots
Light Year
Moment
Ounce
Week
Good answeres: 3

Q6: How long is "one moment"?

1 s
10 s
90 s
300 s
Good answeres: 1

Q7: Select smaller units than second:

decade
jiffy
kiloseconds
megaseconds
nanoseconds
Good answeres: 2

Q8: Select longer units than second:

atomic unit of time
century
milliday
millisecond
week
Good answeres: 3

Q9: The smallest meaningful increment of time?

Blinking time
Nanosecond
Planck time
Second
Good answeres: 1

Q10: What is the symbol for microsecond?

ms
msec
mics
μs
μsec
Good answeres: 1

Q11: Select true statements:

One week containts 3600 seconds
One day containts 3600 seconds
One hour containts 3600 seconds
One minute containts 3600 seconds
Good answeres: 1

Q12: Select true statements:

Calendar and astronomical years are equal
Every 4th year is leap year?
Gregorian and Julian years are equal
Leap year is longer than average year
Good answeres: 1

Q13: Select leap years (Gregorian)

1900
1904
1996
2000
2100
2104
Good answeres: 4

Q14: 2 hours 5 minutes and 30 seconds =

125.30 s
125.50 s
7530 s
7550 s
Good answeres: 1

Q15: 1 day is exactly equal to:

3600 s
86400 s
1/7 of week
1/365 of year
Good answeres: 2

Q16: 90 seconds =

0.9 minutes
1' 30"
1.30 minutes
1.50 minutes
Good answeres: 2

Q17: 2.50 minutes =

150 s (2 × 60 + 30)
170 s (2 × 60 + 50)
something else
Good answeres: 1

Q18: 1' 1.5" =

61.5 seconds
2.5 seconds
1.5 minutes
1.15 minutes
1 minute and 15 seconds
Good answeres: 1