NABCEP ASSOCIATE EXAM 1
What kind of ground faults do most inverters stumble on?
Dc
Which is the worst design errors?
Different tilt angles in a PV supply circuit
A system that sits on a flat/low-slope rooftop and has no penetrations is called a
Ballasted system
What could be elevated through reflective surfaces (albedo)?
Current
Which room can't have a PV dc disconnect?
Bathroom
Best sealant for residential rooftop
Polyurethane
In California (west of the 0-degree isogonic line) the north needle of the compass will point
East of actual North
If an array is facing south at equinox at midday, what have to the tilt angle be in order for the
array to face immediately at the solar at range 30?
30 levels
What is "blockading" used for?
Attaching to a roof in a place wherein there is no rafter
If you're going to paintings on the roof to restore a floor fault and the dc disconnect is on the
ground stage, which of the following is the fine safety procedure?
, Lockout Tagout
If an inverter indicates that there was a floor fault, what's the primary aspect that a O&M
technician must do?
Open all disconnects
If doing an power audit, which device is the great to update to preserve strength?
New resistance heater
When handling PV modules on a roof in daylight, what is the most not unusual method of
protection of the following?
Make certain that connectors are open
In the western part of the USA and Canada, what path does the north arrow of a magnetic
compass factor?
East of north
Which tilt attitude from horizontal would get the high-quality annual production from a region in
Toronto at 43 tiers north?
42 ranges
If a person had a snow hotel with a wall facing south, what would be the quality argument for
growing tilt to very steep or maybe vertical at the wall?
To increase manufacturing from reflection off the snow
If magnetic declination is 5 levels east, then in which is actual south?
Where the compass reads one hundred seventy five stages
Which type of gadget is first-rate for seasonally tilting the PV modules?
Pole mount
What causes the pores and skin to be greater conductive and perilous when working with
power?
Moisture
What kind of ground faults do most inverters stumble on?
Dc
Which is the worst design errors?
Different tilt angles in a PV supply circuit
A system that sits on a flat/low-slope rooftop and has no penetrations is called a
Ballasted system
What could be elevated through reflective surfaces (albedo)?
Current
Which room can't have a PV dc disconnect?
Bathroom
Best sealant for residential rooftop
Polyurethane
In California (west of the 0-degree isogonic line) the north needle of the compass will point
East of actual North
If an array is facing south at equinox at midday, what have to the tilt angle be in order for the
array to face immediately at the solar at range 30?
30 levels
What is "blockading" used for?
Attaching to a roof in a place wherein there is no rafter
If you're going to paintings on the roof to restore a floor fault and the dc disconnect is on the
ground stage, which of the following is the fine safety procedure?
, Lockout Tagout
If an inverter indicates that there was a floor fault, what's the primary aspect that a O&M
technician must do?
Open all disconnects
If doing an power audit, which device is the great to update to preserve strength?
New resistance heater
When handling PV modules on a roof in daylight, what is the most not unusual method of
protection of the following?
Make certain that connectors are open
In the western part of the USA and Canada, what path does the north arrow of a magnetic
compass factor?
East of north
Which tilt attitude from horizontal would get the high-quality annual production from a region in
Toronto at 43 tiers north?
42 ranges
If a person had a snow hotel with a wall facing south, what would be the quality argument for
growing tilt to very steep or maybe vertical at the wall?
To increase manufacturing from reflection off the snow
If magnetic declination is 5 levels east, then in which is actual south?
Where the compass reads one hundred seventy five stages
Which type of gadget is first-rate for seasonally tilting the PV modules?
Pole mount
What causes the pores and skin to be greater conductive and perilous when working with
power?
Moisture
