____ control valves are not used for high pressure application.

A. Single-seated
B. Double-seated


Answer: A

Trades & Technology

You might also like to view...

Para limitar la impedancia, los transformadores de aislamiento deben ser de _____ o menos.

a. 5 kVA b. 10 kVA c. 12 kVA d. 20 kVA

Trades & Technology

Find the perimeter and acreage of the field shown in Figure 3-8. (Note: 10 sq ch = 1 acre.)

Trades & Technology

Oven thermostats were tested by setting them to350°F and measuring the actual temperature of the oven. In a sample of 67 thermostats, the average temperature was 348.2°F and the standard deviation was 5.1°F.

a. Find a 90% confidence interval for the mean oven temperature. b. Find a 95% confidence interval for the mean oven temperature. c. What is the confidence level of the interval(347.5, 348.9)? d. How many thermostats must be sampled so that a 90% confidence interval specifies the mean to within ±0.8°F? e. How many thermostats must be sampled so that a 95% confidence interval specifies the mean to within ±0.8°F?

Trades & Technology

Technician A says that an AGM battery can be charged with any battery charger. Technician B says that an AGM battery requires a charger specially designed for charging AGM batteries. Who is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology